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   <div id="projectname">DGRv2<span id="projectnumber">&#160;2-dev</span>
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   <div id="projectbrief">A Delay-Guaranteed Routing Protocol model in ns-3</div>
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  <div class="headertitle"><div class="title">dgr-route-manager-impl.cc</div></div>
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<a href="../../d3/d4c/dgr-route-manager-impl_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/* -*- Mode:C++; c-file-style:&quot;gnu&quot;; indent-tabs-mode:nil; -*- */</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment">/*</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> * Copyright 2007 University of Washington</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * Copyright (C) 1999, 2000 Kunihiro Ishiguro, Toshiaki Takada</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * </span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * This program is free software; you can redistribute it and/or modify</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * it under the terms of the GNU General Public License version 2 as</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> * published by the Free Software Foundation;</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> *</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> * This program is distributed in the hope that it will be useful,</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> * GNU General Public License for more details.</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> *</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> * You should have received a copy of the GNU General Public License</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * along with this program; if not, write to the Free Software</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment"> *</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"> * Authors:  Tom Henderson (tomhend@u.washington.edu)</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment"> * </span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment"> * Kunihiro Ishigura, Toshiaki Takada (GNU Zebra) are attributed authors</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment"> * of the quagga 0.99.7/src/ospfd/ospf_spf.c code which was ported here</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment"> */</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="preprocessor">#include &lt;utility&gt;</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="preprocessor">#include &lt;queue&gt;</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="preprocessor">#include &lt;algorithm&gt;</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="preprocessor">#include &quot;ns3/assert.h&quot;</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="preprocessor">#include &quot;ns3/fatal-error.h&quot;</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="preprocessor">#include &quot;ns3/log.h&quot;</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="preprocessor">#include &quot;ns3/node-list.h&quot;</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="preprocessor">#include &quot;ns3/ipv4.h&quot;</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="preprocessor">#include &quot;ns3/ipv4-routing-protocol.h&quot;</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="preprocessor">#include &quot;ns3/ipv4-list-routing.h&quot;</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="preprocessor">#include &quot;<a class="code" href="../../df/d96/dgr-router-interface_8h.html">dgr-router-interface.h</a>&quot;</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="preprocessor">#include &quot;<a class="code" href="../../d5/d9c/dgr-route-manager-impl_8h.html">dgr-route-manager-impl.h</a>&quot;</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="preprocessor">#include &quot;<a class="code" href="../../df/d86/dgr-candidate-queue_8h.html">dgr-candidate-queue.h</a>&quot;</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="preprocessor">#include &quot;<a class="code" href="../../dd/d5c/ipv4-dgr-routing_8h.html">ipv4-dgr-routing.h</a>&quot;</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="preprocessor">#include &lt;ctime&gt;</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="preprocessor">#include &lt;chrono&gt;</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span> </div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../d7/d2e/namespacens3.html">ns3</a> {</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"><a class="line" href="../../d7/d2e/namespacens3.html#ad0cc4a88f3c35857b98e7a0bc0f4e69c">   46</a></span><a class="code hl_function" href="../../d7/d2e/namespacens3.html#adde9ed23eff577cdfec10d85035e32eb">NS_LOG_COMPONENT_DEFINE</a> (<span class="stringliteral">&quot;DGRRouteManagerImpl&quot;</span>);</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"><a class="line" href="../../d7/d2e/namespacens3.html#a0a9ae979538d3faa7ad474ef7fa9d2bf">   55</a></span>std::ostream&amp; </div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><a class="code hl_function" href="../../d7/d2e/namespacens3.html#a7c0f3fcc4f4363c5458911cded1af4b6">operator&lt;&lt; </a>(std::ostream&amp; os, <span class="keyword">const</span> <a class="code hl_typedef" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aace20b0a545f431fbc5e3d6a2c149d44">DGRVertex::NodeExit_t</a>&amp; exit)</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span>{</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span>  os &lt;&lt; <span class="stringliteral">&quot;(&quot;</span> &lt;&lt; exit.first &lt;&lt; <span class="stringliteral">&quot; ,&quot;</span> &lt;&lt; exit.second &lt;&lt; <span class="stringliteral">&quot;)&quot;</span>;</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span>  <span class="keywordflow">return</span> os;</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>}</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span> </div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#af3ae1cd4e8023f9cf058b8c291748f38">   62</a></span>std::ostream&amp; </div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span><a class="code hl_function" href="../../d7/d2e/namespacens3.html#a7c0f3fcc4f4363c5458911cded1af4b6">operator&lt;&lt; </a>(std::ostream&amp; os, <span class="keyword">const</span> <a class="code hl_typedef" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aa78a926a5b354a145d0164a164057a53">DGRVertex::ListOfDGRVertex_t</a>&amp; vs)</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span>{</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span>  <span class="keyword">typedef</span> DGRVertex::ListOfDGRVertex_t::const_iterator CIter_t;</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span>  os &lt;&lt; <span class="stringliteral">&quot;{&quot;</span>;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span>  <span class="keywordflow">for</span> (CIter_t iter = vs.begin (); iter != vs.end ();)</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span>    {</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span>      os &lt;&lt; (*iter)-&gt;m_vertexId;</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span>      <span class="keywordflow">if</span> (++iter != vs.end ()) </div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span>        {</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span>          os &lt;&lt; <span class="stringliteral">&quot;, &quot;</span>;</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span>        }</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span>      <span class="keywordflow">else</span> </div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span>        { </div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span>          <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span>        }</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span>    }</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>  os &lt;&lt; <span class="stringliteral">&quot;}&quot;</span>;</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>  <span class="keywordflow">return</span> os;</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>}</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span> </div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="comment">// ---------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="comment">//</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span><span class="comment">// DGRVertex Implementation</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span><span class="comment">//</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span><span class="comment">// ---------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span> </div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#acf173c7ca9af5a3b19a0ec90c00a0253">   89</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#acf173c7ca9af5a3b19a0ec90c00a0253">DGRVertex::DGRVertex</a> () : </div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span>  m_vertexType (VertexUnknown), </div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span>  m_vertexId (<span class="stringliteral">&quot;255.255.255.255&quot;</span>), </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>  m_lsa (0),</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>  m_distanceFromRoot (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa8c7346d1a02c40c94ad465301e57ef8">DISTINFINITY</a>), </div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span>  m_rootOif (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa8c7346d1a02c40c94ad465301e57ef8">DISTINFINITY</a>),</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>  m_nextHop (<span class="stringliteral">&quot;0.0.0.0&quot;</span>),</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>  m_parents (),</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span>  m_children (),</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span>  m_vertexProcessed (false)</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span>{</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span>  NS_LOG_FUNCTION (<span class="keyword">this</span>);</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span>}</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span> </div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aae74c2feb5e7323b1902202f10f93c03">  103</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#acf173c7ca9af5a3b19a0ec90c00a0253">DGRVertex::DGRVertex</a> (<a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a>* lsa) : </div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>  m_vertexId (lsa-&gt;GetLinkStateId ()),</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>  m_lsa (lsa),</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>  m_distanceFromRoot (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa8c7346d1a02c40c94ad465301e57ef8">DISTINFINITY</a>), </div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span>  m_rootOif (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa8c7346d1a02c40c94ad465301e57ef8">DISTINFINITY</a>),</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span>  m_nextHop (<span class="stringliteral">&quot;0.0.0.0&quot;</span>),</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>  m_parents (),</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>  m_children (),</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span>  m_vertexProcessed (false)</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span>{</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; lsa);</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span> </div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span>  <span class="keywordflow">if</span> (lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#aa00b07a4d8639539e94817f98905ef19">GetLSType</a> () == <a class="code hl_enumvalue" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a38d676a01a677ff003f198d454cf0694a0322ce07c2b94cdb14163bbe04cb9674">DGRRoutingLSA::RouterLSA</a>) </div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>    {</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;Setting m_vertexType to VertexRouter&quot;</span>);</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>      <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a378091a34909a44b8fae1e25d6f8e8e1">m_vertexType</a> = <a class="code hl_enumvalue" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96ccea0d137433dfa77b24862a5f2c116da286">DGRVertex::VertexRouter</a>;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>    }</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#aa00b07a4d8639539e94817f98905ef19">GetLSType</a> () == <a class="code hl_enumvalue" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a38d676a01a677ff003f198d454cf0694a5d51f5653b9ddf1d8bf640932068cb85">DGRRoutingLSA::NetworkLSA</a>) </div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span>    { </div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;Setting m_vertexType to VertexNetwork&quot;</span>);</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>      <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a378091a34909a44b8fae1e25d6f8e8e1">m_vertexType</a> = <a class="code hl_enumvalue" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96ccea4cb6ddc9d2395166b87840984bc01880">DGRVertex::VertexNetwork</a>;</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>    }</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span>}</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span> </div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aab7d474354c078ab96afd48ec1ed5fa6">  127</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aab7d474354c078ab96afd48ec1ed5fa6">DGRVertex::~DGRVertex</a> ()</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span>{</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>  NS_LOG_FUNCTION (<span class="keyword">this</span>);</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span> </div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span>  NS_LOG_LOGIC (<span class="stringliteral">&quot;Children vertices - &quot;</span> &lt;&lt; <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a00201704c3afe974f06e06d5611c863b">m_children</a>);</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span>  NS_LOG_LOGIC (<span class="stringliteral">&quot;Parent verteices - &quot;</span> &lt;&lt; <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ad50ca09919dbd3f7b07252d0028623c2">m_parents</a>);</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span> </div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span>  <span class="comment">// find this node from all its parents and remove the entry of this node</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span>  <span class="comment">// from all its parents</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>  <span class="keywordflow">for</span> (ListOfDGRVertex_t::iterator piter = <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ad50ca09919dbd3f7b07252d0028623c2">m_parents</a>.begin (); </div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>       piter != <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ad50ca09919dbd3f7b07252d0028623c2">m_parents</a>.end ();</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span>       piter++)</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span>    {</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>      <span class="comment">// remove the current vertex from its parent&#39;s children list. Check</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span>      <span class="comment">// if the size of the list is reduced, or the child&lt;-&gt;parent relation</span></div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span>      <span class="comment">// is not bidirectional</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span>      uint32_t orgCount = (*piter)-&gt;m_children.size ();</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span>      (*piter)-&gt;m_children.remove (<span class="keyword">this</span>);</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span>      uint32_t newCount = (*piter)-&gt;m_children.size ();</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span>      <span class="keywordflow">if</span> (orgCount &gt; newCount)</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span>        {</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span>          NS_ASSERT_MSG (orgCount &gt; newCount, <span class="stringliteral">&quot;Unable to find the current vertex from its parents --- impossible!&quot;</span>);</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span>        }</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>    }</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span> </div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span>  <span class="comment">// delete children</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>  <span class="keywordflow">while</span> (<a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a00201704c3afe974f06e06d5611c863b">m_children</a>.size () &gt; 0)</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span>    {</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span>      <span class="comment">// pop out children one by one. Some children may disappear </span></div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span>      <span class="comment">// when deleting some other children in the list. As a result,</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span>      <span class="comment">// it is necessary to use pop to walk through all children, instead</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span>      <span class="comment">// of using iterator.</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span>      <span class="comment">//</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span>      <span class="comment">// Note that m_children.pop_front () is not necessary as this</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span>      <span class="comment">// p is removed from the children list when p is deleted</span></div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span>      <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* p = <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a00201704c3afe974f06e06d5611c863b">m_children</a>.front ();</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span>      <span class="comment">// &#39;p&#39; == 0, this child is already deleted by its other parent</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span>      <span class="keywordflow">if</span> (p == 0) <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;Parent vertex-&quot;</span> &lt;&lt; <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#af327951c82d95adf7bc570bae0ee6536">m_vertexId</a> &lt;&lt; <span class="stringliteral">&quot; deleting its child vertex-&quot;</span> &lt;&lt; p-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> ());</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span>      <span class="keyword">delete</span> p;</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span>      p = 0;</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span>    }</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a00201704c3afe974f06e06d5611c863b">m_children</a>.clear ();</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span>  <span class="comment">// delete parents</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ad50ca09919dbd3f7b07252d0028623c2">m_parents</a>.clear ();</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>  <span class="comment">// delete root exit direction</span></div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2e1e0e41f8fbb8ed3972197642674d88">m_ecmpRootExits</a>.clear ();</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span> </div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>  NS_LOG_LOGIC (<span class="stringliteral">&quot;Vertex-&quot;</span> &lt;&lt; <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#af327951c82d95adf7bc570bae0ee6536">m_vertexId</a> &lt;&lt; <span class="stringliteral">&quot; completed deleted&quot;</span>);</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span>}</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span> </div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a7d8e5d27954333a239893ec0a30b6486">  179</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a7d8e5d27954333a239893ec0a30b6486">DGRVertex::SetVertexType</a> (<a class="code hl_enumeration" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96cce">DGRVertex::VertexType</a> type)</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span>{</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; type);</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a378091a34909a44b8fae1e25d6f8e8e1">m_vertexType</a> = type;</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span>}</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span> </div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span><a class="code hl_enumeration" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96cce">DGRVertex::VertexType</a></div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5999846daefbeb25a5265e80e3f3a078">  186</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5999846daefbeb25a5265e80e3f3a078">DGRVertex::GetVertexType</a> (<span class="keywordtype">void</span>)<span class="keyword"> const</span></div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span>  NS_LOG_FUNCTION (<span class="keyword">this</span>);</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>  <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a378091a34909a44b8fae1e25d6f8e8e1">m_vertexType</a>;</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span>}</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span> </div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a9dbfca905e6a1a00be1d1e5fb0d65051">  193</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a9dbfca905e6a1a00be1d1e5fb0d65051">DGRVertex::SetVertexId</a> (Ipv4Address <span class="keywordtype">id</span>)</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span>{</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; <span class="keywordtype">id</span>);</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#af327951c82d95adf7bc570bae0ee6536">m_vertexId</a> = id;</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span>}</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span> </div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span>Ipv4Address</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">  200</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">DGRVertex::GetVertexId</a> (<span class="keywordtype">void</span>)<span class="keyword"> const</span></div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span>  NS_LOG_FUNCTION (<span class="keyword">this</span>);</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span>  <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#af327951c82d95adf7bc570bae0ee6536">m_vertexId</a>;</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span>}</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span> </div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2285ab6067cd3294e32134b1bc5651dd">  207</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2285ab6067cd3294e32134b1bc5651dd">DGRVertex::SetLSA</a> (<a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a>* lsa)</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span>{</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; lsa);</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ac159aa73dc98d368d334b4d3c01c6eb8">m_lsa</a> = lsa;</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span>}</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span> </div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span><a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a>*</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">  214</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">DGRVertex::GetLSA</a> (<span class="keywordtype">void</span>)<span class="keyword"> const</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span>  NS_LOG_FUNCTION (<span class="keyword">this</span>);</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span>  <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ac159aa73dc98d368d334b4d3c01c6eb8">m_lsa</a>;</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>}</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span> </div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4b5aa6f4683f8736530d15c60f2538a5">  221</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4b5aa6f4683f8736530d15c60f2538a5">DGRVertex::SetDistanceFromRoot</a> (uint32_t distance)</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span>{</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; distance);</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a6c0dd738fc7761774349eb65f80ac63b">m_distanceFromRoot</a> = distance;</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span>}</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span> </div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>uint32_t</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a307ee8139d815f7f26b8cf01e6885b53">  228</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a307ee8139d815f7f26b8cf01e6885b53">DGRVertex::GetDistanceFromRoot</a> (<span class="keywordtype">void</span>)<span class="keyword"> const</span></div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span>  NS_LOG_FUNCTION (<span class="keyword">this</span>);</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span>  <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a6c0dd738fc7761774349eb65f80ac63b">m_distanceFromRoot</a>;</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span>}</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span> </div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a8ce35999d67d3028792f043c1efdf075">  235</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a8ce35999d67d3028792f043c1efdf075">DGRVertex::SetParent</a> (<a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* parent)</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span>{</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; parent);</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span> </div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span>  <span class="comment">// always maintain only one parent when using setter/getter methods</span></div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ad50ca09919dbd3f7b07252d0028623c2">m_parents</a>.clear ();</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ad50ca09919dbd3f7b07252d0028623c2">m_parents</a>.push_back (parent);</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span>}</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span> </div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span><a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>*</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a6937ca725aa1a7f5284d1b75a5dfb9f8">  245</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a6937ca725aa1a7f5284d1b75a5dfb9f8">DGRVertex::GetParent</a> (uint32_t <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>)<span class="keyword"> const</span></div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>);</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span> </div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span>  <span class="comment">// If the index i is out-of-range, return 0 and do nothing</span></div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span>  <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ad50ca09919dbd3f7b07252d0028623c2">m_parents</a>.size () &lt;= <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>)</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span>    {</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;Index to DGRVertex&#39;s parent is out-of-range.&quot;</span>);</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>      <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span>    }</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span>  ListOfDGRVertex_t::const_iterator iter = <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ad50ca09919dbd3f7b07252d0028623c2">m_parents</a>.begin ();</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span>  <span class="keywordflow">while</span> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>-- &gt; 0) </div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span>    {</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span>      iter++;</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span>    }</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span>  <span class="keywordflow">return</span> *iter;</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span>}</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span> </div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span><span class="keywordtype">void</span> </div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aa8a039e85d0a64c8451a8ea69ddd3fc0">  264</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aa8a039e85d0a64c8451a8ea69ddd3fc0">DGRVertex::MergeParent</a> (<span class="keyword">const</span> <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* v)</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span>{</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; v);</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span> </div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span>  NS_LOG_LOGIC (<span class="stringliteral">&quot;Before merge, list of parents = &quot;</span> &lt;&lt; <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ad50ca09919dbd3f7b07252d0028623c2">m_parents</a>);</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span>  <span class="comment">// combine the two lists first, and then remove any duplicated after</span></div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ad50ca09919dbd3f7b07252d0028623c2">m_parents</a>.insert (<a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ad50ca09919dbd3f7b07252d0028623c2">m_parents</a>.end (), </div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span>                    v-&gt;<a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ad50ca09919dbd3f7b07252d0028623c2">m_parents</a>.begin (), v-&gt;<a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ad50ca09919dbd3f7b07252d0028623c2">m_parents</a>.end ());</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span>  <span class="comment">// remove duplication</span></div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ad50ca09919dbd3f7b07252d0028623c2">m_parents</a>.sort ();</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ad50ca09919dbd3f7b07252d0028623c2">m_parents</a>.unique ();</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span>  NS_LOG_LOGIC (<span class="stringliteral">&quot;After merge, list of parents = &quot;</span> &lt;&lt; <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ad50ca09919dbd3f7b07252d0028623c2">m_parents</a>);</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span>}</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span> </div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span><span class="keywordtype">void</span> </div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ae9023c5885bfce6327e2f8f1f360e961">  279</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ae9023c5885bfce6327e2f8f1f360e961">DGRVertex::SetRootExitDirection</a> (Ipv4Address nextHop, int32_t <span class="keywordtype">id</span>)</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span>{</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; nextHop &lt;&lt; <span class="keywordtype">id</span>);</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span> </div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span>  <span class="comment">// always maintain only one root&#39;s exit</span></div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2e1e0e41f8fbb8ed3972197642674d88">m_ecmpRootExits</a>.clear ();</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2e1e0e41f8fbb8ed3972197642674d88">m_ecmpRootExits</a>.push_back (<a class="code hl_typedef" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aace20b0a545f431fbc5e3d6a2c149d44">NodeExit_t</a> (nextHop, <span class="keywordtype">id</span>));</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span>  <span class="comment">// update the following in order to be backward compatitable with</span></div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span>  <span class="comment">// GetNextHop and GetOutgoingInterface methods</span></div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a21155cece0079523ede5b6a3e94d4d6c">m_nextHop</a> = nextHop;</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a1bd3092c87612d18910764ad9469975b">m_rootOif</a> = id;</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span>}</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span> </div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span><span class="keywordtype">void</span> </div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a65c6e670181e6f0bc8d1fb7468b13041">  293</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ae9023c5885bfce6327e2f8f1f360e961">DGRVertex::SetRootExitDirection</a> (<a class="code hl_typedef" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aace20b0a545f431fbc5e3d6a2c149d44">DGRVertex::NodeExit_t</a> exit)</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span>{</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; exit);</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span>  <a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ae9023c5885bfce6327e2f8f1f360e961">SetRootExitDirection</a> (exit.first, exit.second);</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span>}</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span> </div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span><a class="code hl_typedef" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aace20b0a545f431fbc5e3d6a2c149d44">DGRVertex::NodeExit_t</a></div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a9e66f0b2ee7432156046e75672968138">  300</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a01db4520491672c7d666377aeb95b390">DGRVertex::GetRootExitDirection</a> (uint32_t <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>)<span class="keyword"> const</span></div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>);</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span>  <span class="keyword">typedef</span> ListOfNodeExit_t::const_iterator CIter_t;</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span> </div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span>  NS_ASSERT_MSG (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt; <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2e1e0e41f8fbb8ed3972197642674d88">m_ecmpRootExits</a>.size (), <span class="stringliteral">&quot;Index out-of-range when accessing DGRVertex::m_ecmpRootExits!&quot;</span>);</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span>  CIter_t iter = <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2e1e0e41f8fbb8ed3972197642674d88">m_ecmpRootExits</a>.begin ();</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span>  <span class="keywordflow">while</span> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>-- &gt; 0) { iter++; }</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span> </div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span>  <span class="keywordflow">return</span> *iter;</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span>}</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span> </div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span><a class="code hl_typedef" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aace20b0a545f431fbc5e3d6a2c149d44">DGRVertex::NodeExit_t</a> </div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a01db4520491672c7d666377aeb95b390">  313</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a01db4520491672c7d666377aeb95b390">DGRVertex::GetRootExitDirection</a> ()<span class="keyword"> const</span></div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span>  NS_LOG_FUNCTION (<span class="keyword">this</span>);</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span> </div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span>  NS_ASSERT_MSG (<a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2e1e0e41f8fbb8ed3972197642674d88">m_ecmpRootExits</a>.size () &lt;= 1, <span class="stringliteral">&quot;Assumed there is at most one exit from the root to this vertex&quot;</span>);</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span>  <span class="keywordflow">return</span> <a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a01db4520491672c7d666377aeb95b390">GetRootExitDirection</a> (0);</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span>}</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span> </div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span><span class="keywordtype">void</span> </div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#abfd711c43e166fc59f65235af75c4c07">  322</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#abfd711c43e166fc59f65235af75c4c07">DGRVertex::MergeRootExitDirections</a> (<span class="keyword">const</span> <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* vertex)</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span>{</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; vertex);</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span> </div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span>  <span class="comment">// obtain the external list of exit directions</span></div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span>  <span class="comment">//</span></div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span>  <span class="comment">// Append the external list into &#39;this&#39; and remove duplication afterward</span></div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span>  <span class="keyword">const</span> <a class="code hl_typedef" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a329d5add3e0fd627f1e3eb536a49199e">ListOfNodeExit_t</a>&amp; extList = vertex-&gt;<a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2e1e0e41f8fbb8ed3972197642674d88">m_ecmpRootExits</a>;</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2e1e0e41f8fbb8ed3972197642674d88">m_ecmpRootExits</a>.insert (<a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2e1e0e41f8fbb8ed3972197642674d88">m_ecmpRootExits</a>.end (), </div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span>                          extList.begin (), extList.end ());</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2e1e0e41f8fbb8ed3972197642674d88">m_ecmpRootExits</a>.sort ();</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2e1e0e41f8fbb8ed3972197642674d88">m_ecmpRootExits</a>.unique ();</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span>}</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span> </div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span><span class="keywordtype">void</span> </div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aacb7dfc43225f6d7eca87f103c40c526">  337</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aacb7dfc43225f6d7eca87f103c40c526">DGRVertex::InheritAllRootExitDirections</a> (<span class="keyword">const</span> <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* vertex)</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span>{</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; vertex);</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span> </div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span>  <span class="comment">// discard all exit direction currently associated with this vertex,</span></div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span>  <span class="comment">// and copy all the exit directions from the given vertex</span></div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span>  <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2e1e0e41f8fbb8ed3972197642674d88">m_ecmpRootExits</a>.size () &gt; 0)</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span>    {</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span>      NS_LOG_WARN (<span class="stringliteral">&quot;x root exit directions in this vertex are going to be discarded&quot;</span>);</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span>    }</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2e1e0e41f8fbb8ed3972197642674d88">m_ecmpRootExits</a>.clear ();</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2e1e0e41f8fbb8ed3972197642674d88">m_ecmpRootExits</a>.insert (<a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2e1e0e41f8fbb8ed3972197642674d88">m_ecmpRootExits</a>.end (), </div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span>                          vertex-&gt;<a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2e1e0e41f8fbb8ed3972197642674d88">m_ecmpRootExits</a>.begin (), vertex-&gt;<a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2e1e0e41f8fbb8ed3972197642674d88">m_ecmpRootExits</a>.end ());</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span>}</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span> </div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span>uint32_t </div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a691c41409919639a4aaea1443fa26ed5">  353</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a691c41409919639a4aaea1443fa26ed5">DGRVertex::GetNRootExitDirections</a> ()<span class="keyword"> const</span></div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span>  NS_LOG_FUNCTION (<span class="keyword">this</span>);</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span>  <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2e1e0e41f8fbb8ed3972197642674d88">m_ecmpRootExits</a>.size ();</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span>}</div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span> </div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span>uint32_t </div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a504717b90b3fad088d133c2e71836eaf">  360</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a504717b90b3fad088d133c2e71836eaf">DGRVertex::GetNChildren</a> (<span class="keywordtype">void</span>)<span class="keyword"> const</span></div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno">  362</span>  NS_LOG_FUNCTION (<span class="keyword">this</span>);</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span>  <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a00201704c3afe974f06e06d5611c863b">m_children</a>.size ();</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span>}</div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span> </div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span><a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>*</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aea98bf4a660837344a4c802546249a21">  367</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aea98bf4a660837344a4c802546249a21">DGRVertex::GetChild</a> (uint32_t n)<span class="keyword"> const</span></div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; n);</div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span>  uint32_t j = 0;</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno">  371</span> </div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span>  <span class="keywordflow">for</span> ( ListOfDGRVertex_t::const_iterator <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> = <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a00201704c3afe974f06e06d5611c863b">m_children</a>.begin ();</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno">  373</span>        <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> != <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a00201704c3afe974f06e06d5611c863b">m_children</a>.end ();</div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span>        <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++, j++)</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span>    {</div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span>      <span class="keywordflow">if</span> (j == n)</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span>        {</div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span>          <span class="keywordflow">return</span> *<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>;</div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span>        }</div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span>    }</div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span>  NS_ASSERT_MSG (<span class="keyword">false</span>, <span class="stringliteral">&quot;Index &lt;n&gt; out of range.&quot;</span>);</div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno">  382</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span>}</div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span> </div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno">  385</span>uint32_t</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#af0c852bbf364e527e6f7b1c34105a06e">  386</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#af0c852bbf364e527e6f7b1c34105a06e">DGRVertex::AddChild</a> (<a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* child)</div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span>{</div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno">  388</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; child);</div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a00201704c3afe974f06e06d5611c863b">m_children</a>.push_back (child);</div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span>  <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a00201704c3afe974f06e06d5611c863b">m_children</a>.size ();</div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span>}</div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno">  392</span> </div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno">  393</span><span class="keywordtype">void</span> </div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aa1718a99ec16d3ebf25949e3edac9168">  394</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aa1718a99ec16d3ebf25949e3edac9168">DGRVertex::SetVertexProcessed</a> (<span class="keywordtype">bool</span> value)</div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span>{</div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; value);</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span>  <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#acccf543804229747db8e14bcde5cefbd">m_vertexProcessed</a> = value;</div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno">  398</span>}</div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno">  399</span> </div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno">  400</span><span class="keywordtype">bool</span> </div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a6afcdedc8616fc035f8c9736d5679cd4">  401</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a6afcdedc8616fc035f8c9736d5679cd4">DGRVertex::IsVertexProcessed</a> (<span class="keywordtype">void</span>)<span class="keyword"> const</span></div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno">  402</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno">  403</span>  NS_LOG_FUNCTION (<span class="keyword">this</span>);</div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno">  404</span>  <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#acccf543804229747db8e14bcde5cefbd">m_vertexProcessed</a>;</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno">  405</span>}</div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno">  406</span> </div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno">  407</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"><a class="line" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#adedcbcf4b3fd8a7db8a086d5beefc1d2">  408</a></span><a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#adedcbcf4b3fd8a7db8a086d5beefc1d2">DGRVertex::ClearVertexProcessed</a> (<span class="keywordtype">void</span>)</div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno">  409</span>{</div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno">  410</span>  NS_LOG_FUNCTION (<span class="keyword">this</span>);</div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno">  411</span>  <span class="keywordflow">for</span> (uint32_t <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> = 0; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt; this-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a504717b90b3fad088d133c2e71836eaf">GetNChildren</a> (); <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno">  412</span>    {</div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno">  413</span>      this-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aea98bf4a660837344a4c802546249a21">GetChild</a> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>)-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#adedcbcf4b3fd8a7db8a086d5beefc1d2">ClearVertexProcessed</a> ();</div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno">  414</span>    }</div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno">  415</span>  this-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aa1718a99ec16d3ebf25949e3edac9168">SetVertexProcessed</a> (<span class="keyword">false</span>);</div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno">  416</span>}</div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno">  417</span> </div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno">  418</span><span class="comment">// ---------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno">  419</span><span class="comment">//</span></div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno">  420</span><span class="comment">// DGRRouteManagerLSDB Implementation</span></div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno">  421</span><span class="comment">//</span></div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno">  422</span><span class="comment">// ---------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno">  423</span> </div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"><a class="line" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a44ed1e3d6976c509795b69ef3c5e1109">  424</a></span><a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a44ed1e3d6976c509795b69ef3c5e1109">DGRRouteManagerLSDB::DGRRouteManagerLSDB</a> ()</div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno">  425</span>  :</div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno">  426</span>    m_database (),</div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno">  427</span>    m_extdatabase ()</div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno">  428</span>{</div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno">  429</span>  NS_LOG_FUNCTION (<span class="keyword">this</span>);</div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno">  430</span>}</div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno">  431</span> </div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"><a class="line" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a5e87f265311abd433c6816ffd5799b05">  432</a></span><a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a5e87f265311abd433c6816ffd5799b05">DGRRouteManagerLSDB::~DGRRouteManagerLSDB</a> ()</div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno">  433</span>{</div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno">  434</span>  NS_LOG_FUNCTION (<span class="keyword">this</span>);</div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno">  435</span>  LSDBMap_t::iterator <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>;</div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno">  436</span>  <span class="keywordflow">for</span> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>= <a class="code hl_variable" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a93d1000c04198cf2a7df2b93b54d0ff5">m_database</a>.begin (); <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>!= <a class="code hl_variable" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a93d1000c04198cf2a7df2b93b54d0ff5">m_database</a>.end (); <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno">  437</span>    {</div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno">  438</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;free LSA&quot;</span>);</div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno">  439</span>      <a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a>* temp = <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>-&gt;second;</div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno">  440</span>      <span class="keyword">delete</span> temp;</div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno">  441</span>    }</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno">  442</span>  <span class="keywordflow">for</span> (uint32_t j = 0; j &lt; <a class="code hl_variable" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a9620420bf4e991b6cbbaeca0c71098e0">m_extdatabase</a>.size (); j++)</div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno">  443</span>    {</div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno">  444</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;free ASexternalLSA&quot;</span>);</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno">  445</span>      <a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a>* temp = <a class="code hl_variable" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a9620420bf4e991b6cbbaeca0c71098e0">m_extdatabase</a>.at (j);</div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno">  446</span>      <span class="keyword">delete</span> temp;</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno">  447</span>    }</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno">  448</span>  NS_LOG_LOGIC (<span class="stringliteral">&quot;clear map&quot;</span>);</div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno">  449</span>  <a class="code hl_variable" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a93d1000c04198cf2a7df2b93b54d0ff5">m_database</a>.clear ();</div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno">  450</span>}</div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno">  451</span> </div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno">  452</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"><a class="line" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a4cc94fab7e7699bd3b73e3e1bd874875">  453</a></span><a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a4cc94fab7e7699bd3b73e3e1bd874875">DGRRouteManagerLSDB::Initialize</a> ()</div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno">  454</span>{</div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno">  455</span>  NS_LOG_FUNCTION (<span class="keyword">this</span>);</div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno">  456</span>  LSDBMap_t::iterator <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>;</div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno">  457</span>  <span class="keywordflow">for</span> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>= <a class="code hl_variable" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a93d1000c04198cf2a7df2b93b54d0ff5">m_database</a>.begin (); <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>!= <a class="code hl_variable" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a93d1000c04198cf2a7df2b93b54d0ff5">m_database</a>.end (); <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno">  458</span>    {</div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno">  459</span>      <a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a>* temp = <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>-&gt;second;</div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno">  460</span>      temp-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a497453d1271c0020968487ec8ead99c5">SetStatus</a> (<a class="code hl_enumvalue" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a2d6cf227cde572e9c99d273a0e0fa5f7ac563232b34162339268c7804c93765ad">DGRRoutingLSA::LSA_SPF_NOT_EXPLORED</a>);</div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno">  461</span>    }</div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno">  462</span>}</div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno">  463</span> </div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno">  464</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"><a class="line" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#aef58a243bb62466470166e11cb165b97">  465</a></span><a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#aef58a243bb62466470166e11cb165b97">DGRRouteManagerLSDB::Insert</a> (Ipv4Address addr, <a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a>* lsa)</div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno">  466</span>{</div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno">  467</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; addr &lt;&lt; lsa);</div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno">  468</span>  <span class="keywordflow">if</span> (lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#aa00b07a4d8639539e94817f98905ef19">GetLSType</a> () == <a class="code hl_enumvalue" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a38d676a01a677ff003f198d454cf0694aca69c3cdc30b0ddcb8dd1dd95f79065a">DGRRoutingLSA::ASExternalLSAs</a>) </div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno">  469</span>    {</div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno">  470</span>      <a class="code hl_variable" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a9620420bf4e991b6cbbaeca0c71098e0">m_extdatabase</a>.push_back (lsa);</div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno">  471</span>    } </div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno">  472</span>  <span class="keywordflow">else</span></div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno">  473</span>    {</div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno">  474</span>      <a class="code hl_variable" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a93d1000c04198cf2a7df2b93b54d0ff5">m_database</a>.insert (<a class="code hl_typedef" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a549df0eab868504027879ddf77bda6dc">LSDBPair_t</a> (addr, lsa));</div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno">  475</span>    }</div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno">  476</span>}</div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno">  477</span> </div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno">  478</span><a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a>*</div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"><a class="line" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a4eccf46bb836fc866adeb57b38d6a493">  479</a></span><a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a4eccf46bb836fc866adeb57b38d6a493">DGRRouteManagerLSDB::GetExtLSA</a> (uint32_t index)<span class="keyword"> const</span></div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno">  480</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno">  481</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; index);</div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno">  482</span>  <span class="keywordflow">return</span> <a class="code hl_variable" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a9620420bf4e991b6cbbaeca0c71098e0">m_extdatabase</a>.at (index);</div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno">  483</span>}</div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno">  484</span> </div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno">  485</span>uint32_t</div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"><a class="line" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a5ceebeea8595e2788e490c2e56cc3405">  486</a></span><a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a5ceebeea8595e2788e490c2e56cc3405">DGRRouteManagerLSDB::GetNumExtLSAs</a> ()<span class="keyword"> const</span></div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno">  487</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno">  488</span>  NS_LOG_FUNCTION (<span class="keyword">this</span>);</div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno">  489</span>  <span class="keywordflow">return</span> <a class="code hl_variable" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a9620420bf4e991b6cbbaeca0c71098e0">m_extdatabase</a>.size ();</div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno">  490</span>}</div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno">  491</span> </div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno">  492</span><a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a>*</div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"><a class="line" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a232013c41890eb75496e0201fd0689d2">  493</a></span><a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a232013c41890eb75496e0201fd0689d2">DGRRouteManagerLSDB::GetLSA</a> (Ipv4Address addr)<span class="keyword"> const</span></div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno">  494</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno">  495</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; addr);</div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno">  496</span><span class="comment">//</span></div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno">  497</span><span class="comment">// Look up an LSA by its address.</span></div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno">  498</span><span class="comment">//</span></div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno">  499</span>  LSDBMap_t::const_iterator <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>;</div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno">  500</span>  <span class="keywordflow">for</span> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>= <a class="code hl_variable" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a93d1000c04198cf2a7df2b93b54d0ff5">m_database</a>.begin (); <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>!= <a class="code hl_variable" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a93d1000c04198cf2a7df2b93b54d0ff5">m_database</a>.end (); <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno">  501</span>    {</div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno">  502</span>      <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>-&gt;first == addr)</div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno">  503</span>        {</div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno">  504</span>          <span class="keywordflow">return</span> <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>-&gt;second;</div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno">  505</span>        }</div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno">  506</span>    }</div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno">  507</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno">  508</span>}</div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno">  509</span> </div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno">  510</span><a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a>*</div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"><a class="line" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#ac6f9ca728688bae5adc4172dee708553">  511</a></span><a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#ac6f9ca728688bae5adc4172dee708553">DGRRouteManagerLSDB::GetLSAByLinkData</a> (Ipv4Address addr)<span class="keyword"> const</span></div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno">  512</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno">  513</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; addr);</div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno">  514</span><span class="comment">//</span></div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno">  515</span><span class="comment">// Look up an LSA by its address.</span></div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno">  516</span><span class="comment">//</span></div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno">  517</span>  LSDBMap_t::const_iterator <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>;</div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno">  518</span>  <span class="keywordflow">for</span> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>= <a class="code hl_variable" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a93d1000c04198cf2a7df2b93b54d0ff5">m_database</a>.begin (); <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>!= <a class="code hl_variable" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a93d1000c04198cf2a7df2b93b54d0ff5">m_database</a>.end (); <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno">  519</span>    {</div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno">  520</span>      <a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a>* temp = <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>-&gt;second;</div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno">  521</span><span class="comment">// Iterate among temp&#39;s Link Records</span></div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno">  522</span>      <span class="keywordflow">for</span> (uint32_t j = 0; j &lt; temp-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a882a042d18bcbdea3bc1a3eb55dcfe58">GetNLinkRecords</a> (); j++)</div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno">  523</span>        {</div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno">  524</span>          <a class="code hl_class" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html">DGRRoutingLinkRecord</a> *lr = temp-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#acb5df9fec863df510911aa3e64d4aa04">GetLinkRecord</a> (j);</div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno">  525</span>          <span class="keywordflow">if</span> ( lr-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#ab9148eaf7a9d088a397e66164c1f30b9">GetLinkType</a> () == <a class="code hl_enumvalue" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a93b89b9f89407a39712186911ad12a4baa0b0a272a289d2f1fcafdfedcde669b7">DGRRoutingLinkRecord::TransitNetwork</a> &amp;&amp;</div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno">  526</span>               lr-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a97080a8409f77898f4485230be0be5e4">GetLinkData</a> () == addr)</div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno">  527</span>            {</div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno">  528</span>              <span class="keywordflow">return</span> temp;</div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno">  529</span>            }</div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno">  530</span>        }</div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno">  531</span>    }</div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno">  532</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno">  533</span>}</div>
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno">  534</span> </div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno">  535</span><span class="comment">// ---------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno">  536</span><span class="comment">//</span></div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno">  537</span><span class="comment">// DGRRouteManagerImpl Implementation</span></div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno">  538</span><span class="comment">//</span></div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno">  539</span><span class="comment">// ---------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno">  540</span> </div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"><a class="line" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a13039dc3ca88e01a6f543a3bb97a53e7">  541</a></span><a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a13039dc3ca88e01a6f543a3bb97a53e7">DGRRouteManagerImpl::DGRRouteManagerImpl</a> () </div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno">  542</span>  :</div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno">  543</span>    m_spfroot (0)</div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno">  544</span>{</div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno">  545</span>  NS_LOG_FUNCTION (<span class="keyword">this</span>);</div>
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno">  546</span>  <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a> = <span class="keyword">new</span> <a class="code hl_class" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html">DGRRouteManagerLSDB</a> ();</div>
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno">  547</span>}</div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno">  548</span> </div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"><a class="line" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a9c43604c3d2a66a108fa96faf7505b9f">  549</a></span><a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a9c43604c3d2a66a108fa96faf7505b9f">DGRRouteManagerImpl::~DGRRouteManagerImpl</a> ()</div>
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno">  550</span>{</div>
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno">  551</span>  NS_LOG_FUNCTION (<span class="keyword">this</span>);</div>
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno">  552</span>  <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a>)</div>
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno">  553</span>    {</div>
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno">  554</span>      <span class="keyword">delete</span> <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a>;</div>
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno">  555</span>    }</div>
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno">  556</span>}</div>
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno">  557</span> </div>
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno">  558</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno"><a class="line" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a7a59fdbaae988b5c5f8ac71e4d650143">  559</a></span><a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a7a59fdbaae988b5c5f8ac71e4d650143">DGRRouteManagerImpl::DebugUseLsdb</a> (<a class="code hl_class" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html">DGRRouteManagerLSDB</a>* lsdb)</div>
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno">  560</span>{</div>
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno">  561</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; lsdb);</div>
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno">  562</span>  <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a>)</div>
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno">  563</span>    {</div>
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno">  564</span>      <span class="keyword">delete</span> <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a>;</div>
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno">  565</span>    }</div>
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno">  566</span>  <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a> = lsdb;</div>
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno">  567</span>}</div>
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno">  568</span> </div>
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno">  569</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"><a class="line" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#acfff2ecbb8d0d59a980f3876f1603aea">  570</a></span><a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#acfff2ecbb8d0d59a980f3876f1603aea">DGRRouteManagerImpl::DeleteDGRRoutes</a> ()</div>
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno">  571</span>{</div>
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno">  572</span>  NS_LOG_FUNCTION (<span class="keyword">this</span>);</div>
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno">  573</span>  NodeList::Iterator listEnd = NodeList::End ();</div>
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno">  574</span>  <span class="keywordflow">for</span> (NodeList::Iterator <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> = NodeList::Begin (); <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> != listEnd; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno">  575</span>    {</div>
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno">  576</span>      Ptr&lt;Node&gt; node = *<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>;</div>
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno">  577</span>      Ptr&lt;DGRRouter&gt; router = node-&gt;GetObject&lt;<a class="code hl_class" href="../../d0/d56/classns3_1_1_d_g_r_router.html">DGRRouter</a>&gt; ();</div>
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno">  578</span>      <span class="keywordflow">if</span> (!router)</div>
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno">  579</span>        {</div>
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno">  580</span>          <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno">  581</span>        }</div>
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno">  582</span>      Ptr&lt;Ipv4DGRRouting&gt; gr = router-&gt;<a class="code hl_function" href="../../d0/d56/classns3_1_1_d_g_r_router.html#a87f63cac54a25accafa7c849a9aa0dbc">GetRoutingProtocol</a> ();</div>
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno">  583</span>      uint32_t j = 0;</div>
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno">  584</span>      uint32_t nRoutes = gr-&gt;GetNRoutes ();</div>
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno">  585</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;Deleting &quot;</span> &lt;&lt; gr-&gt;GetNRoutes ()&lt;&lt; <span class="stringliteral">&quot; routes from node &quot;</span> &lt;&lt; node-&gt;GetId ());</div>
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno">  586</span>      <span class="comment">// Each time we delete route 0, the route index shifts downward</span></div>
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno">  587</span>      <span class="comment">// We can delete all routes if we delete the route numbered 0</span></div>
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno">  588</span>      <span class="comment">// nRoutes times</span></div>
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno">  589</span>      <span class="keywordflow">for</span> (j = 0; j &lt; nRoutes; j++)</div>
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno">  590</span>        {</div>
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno">  591</span>          NS_LOG_LOGIC (<span class="stringliteral">&quot;Deleting global route &quot;</span> &lt;&lt; j &lt;&lt; <span class="stringliteral">&quot; from node &quot;</span> &lt;&lt; node-&gt;GetId ());</div>
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno">  592</span>          gr-&gt;RemoveRoute (0);</div>
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno">  593</span>        }</div>
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno">  594</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;Deleted &quot;</span> &lt;&lt; j &lt;&lt; <span class="stringliteral">&quot; global routes from node &quot;</span>&lt;&lt; node-&gt;GetId ());</div>
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno">  595</span>    }</div>
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno">  596</span>  <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a>)</div>
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno">  597</span>    {</div>
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno">  598</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;Deleting LSDB, creating new one&quot;</span>);</div>
<div class="line"><a id="l00599" name="l00599"></a><span class="lineno">  599</span>      <span class="keyword">delete</span> <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a>;</div>
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno">  600</span>      <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a> = <span class="keyword">new</span> <a class="code hl_class" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html">DGRRouteManagerLSDB</a> ();</div>
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno">  601</span>    }</div>
<div class="line"><a id="l00602" name="l00602"></a><span class="lineno">  602</span>}</div>
<div class="line"><a id="l00603" name="l00603"></a><span class="lineno">  603</span> </div>
<div class="line"><a id="l00604" name="l00604"></a><span class="lineno">  604</span><span class="comment">//</span></div>
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno">  605</span><span class="comment">// In order to build the routing database, we need to walk the list of nodes</span></div>
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno">  606</span><span class="comment">// in the system and look for those that support the DGRRouter interface.</span></div>
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno">  607</span><span class="comment">// These routers will export a number of Link State Advertisements (LSAs)</span></div>
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno">  608</span><span class="comment">// that describe the links and networks that are &quot;adjacent&quot; (i.e., that are</span></div>
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno">  609</span><span class="comment">// on the other side of a point-to-point link).  We take these LSAs and put</span></div>
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno">  610</span><span class="comment">// add them to the Link State DataBase (LSDB) from which the routes will </span></div>
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno">  611</span><span class="comment">// ultimately be computed.</span></div>
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno">  612</span><span class="comment">//</span></div>
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno">  613</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"><a class="line" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a033d120271836b470fecfe120c6fdbc8">  614</a></span><a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a033d120271836b470fecfe120c6fdbc8">DGRRouteManagerImpl::BuildDGRRoutingDatabase</a> () </div>
<div class="line"><a id="l00615" name="l00615"></a><span class="lineno">  615</span>{</div>
<div class="line"><a id="l00616" name="l00616"></a><span class="lineno">  616</span>  NS_LOG_FUNCTION (<span class="keyword">this</span>);</div>
<div class="line"><a id="l00617" name="l00617"></a><span class="lineno">  617</span><span class="comment">//</span></div>
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno">  618</span><span class="comment">// Walk the list of nodes looking for the DGRRouter Interface.  Nodes with</span></div>
<div class="line"><a id="l00619" name="l00619"></a><span class="lineno">  619</span><span class="comment">// global router interfaces are, not too surprisingly, our routers.</span></div>
<div class="line"><a id="l00620" name="l00620"></a><span class="lineno">  620</span><span class="comment">//</span></div>
<div class="line"><a id="l00621" name="l00621"></a><span class="lineno">  621</span>  NodeList::Iterator listEnd = NodeList::End ();</div>
<div class="line"><a id="l00622" name="l00622"></a><span class="lineno">  622</span>  <span class="keywordflow">for</span> (NodeList::Iterator <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> = NodeList::Begin (); <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> != listEnd; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l00623" name="l00623"></a><span class="lineno">  623</span>    {</div>
<div class="line"><a id="l00624" name="l00624"></a><span class="lineno">  624</span>      Ptr&lt;Node&gt; node = *<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>;</div>
<div class="line"><a id="l00625" name="l00625"></a><span class="lineno">  625</span>      Ptr&lt;DGRRouter&gt; rtr = node-&gt;GetObject&lt;<a class="code hl_class" href="../../d0/d56/classns3_1_1_d_g_r_router.html">DGRRouter</a>&gt; ();</div>
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno">  626</span><span class="comment">//</span></div>
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno">  627</span><span class="comment">// Ignore nodes that aren&#39;t participating in routing.</span></div>
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno">  628</span><span class="comment">//</span></div>
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno">  629</span>      <span class="keywordflow">if</span> (!rtr)</div>
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno">  630</span>        {</div>
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno">  631</span>          <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno">  632</span>        }</div>
<div class="line"><a id="l00633" name="l00633"></a><span class="lineno">  633</span><span class="comment">//</span></div>
<div class="line"><a id="l00634" name="l00634"></a><span class="lineno">  634</span><span class="comment">// You must call DiscoverLSAs () before trying to use any routing info or to</span></div>
<div class="line"><a id="l00635" name="l00635"></a><span class="lineno">  635</span><span class="comment">// update LSAs.  DiscoverLSAs () drives the process of discovering routes in</span></div>
<div class="line"><a id="l00636" name="l00636"></a><span class="lineno">  636</span><span class="comment">// the DGRRouter.  Afterward, you may use GetNumLSAs (), which is a very</span></div>
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno">  637</span><span class="comment">// computationally inexpensive call.  If you call GetNumLSAs () before calling </span></div>
<div class="line"><a id="l00638" name="l00638"></a><span class="lineno">  638</span><span class="comment">// DiscoverLSAs () will get zero as the number since no routes have been </span></div>
<div class="line"><a id="l00639" name="l00639"></a><span class="lineno">  639</span><span class="comment">// found.</span></div>
<div class="line"><a id="l00640" name="l00640"></a><span class="lineno">  640</span><span class="comment">//</span></div>
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno">  641</span>      Ptr&lt;Ipv4DGRRouting&gt; grouting = rtr-&gt;<a class="code hl_function" href="../../d0/d56/classns3_1_1_d_g_r_router.html#a87f63cac54a25accafa7c849a9aa0dbc">GetRoutingProtocol</a> ();</div>
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno">  642</span>      uint32_t numLSAs = rtr-&gt;DiscoverLSAs ();</div>
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno">  643</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;Found &quot;</span> &lt;&lt; numLSAs &lt;&lt; <span class="stringliteral">&quot; LSAs&quot;</span>);</div>
<div class="line"><a id="l00644" name="l00644"></a><span class="lineno">  644</span> </div>
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno">  645</span>      <span class="keywordflow">for</span> (uint32_t j = 0; j &lt; numLSAs; ++j)</div>
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno">  646</span>        {</div>
<div class="line"><a id="l00647" name="l00647"></a><span class="lineno">  647</span>          <a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a>* lsa = <span class="keyword">new</span> <a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a> ();</div>
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno">  648</span><span class="comment">//</span></div>
<div class="line"><a id="l00649" name="l00649"></a><span class="lineno">  649</span><span class="comment">// This is the call to actually fetch a Link State Advertisement from the </span></div>
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno">  650</span><span class="comment">// router.</span></div>
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno">  651</span><span class="comment">//</span></div>
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno">  652</span>          rtr-&gt;GetLSA (j, *lsa);</div>
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno">  653</span>          NS_LOG_LOGIC (*lsa);</div>
<div class="line"><a id="l00654" name="l00654"></a><span class="lineno">  654</span><span class="comment">//</span></div>
<div class="line"><a id="l00655" name="l00655"></a><span class="lineno">  655</span><span class="comment">// Write the newly discovered link state advertisement to the database.</span></div>
<div class="line"><a id="l00656" name="l00656"></a><span class="lineno">  656</span><span class="comment">//</span></div>
<div class="line"><a id="l00657" name="l00657"></a><span class="lineno">  657</span>          <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a>-&gt;<a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#aef58a243bb62466470166e11cb165b97">Insert</a> (lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">GetLinkStateId</a> (), lsa); </div>
<div class="line"><a id="l00658" name="l00658"></a><span class="lineno">  658</span>        }</div>
<div class="line"><a id="l00659" name="l00659"></a><span class="lineno">  659</span>    }</div>
<div class="line"><a id="l00660" name="l00660"></a><span class="lineno">  660</span>}</div>
<div class="line"><a id="l00661" name="l00661"></a><span class="lineno">  661</span> </div>
<div class="line"><a id="l00662" name="l00662"></a><span class="lineno">  662</span><span class="comment">//</span></div>
<div class="line"><a id="l00663" name="l00663"></a><span class="lineno">  663</span><span class="comment">// For each node that is a global router (which is determined by the presence</span></div>
<div class="line"><a id="l00664" name="l00664"></a><span class="lineno">  664</span><span class="comment">// of an aggregated DGRRouter interface), run the Dijkstra SPF calculation</span></div>
<div class="line"><a id="l00665" name="l00665"></a><span class="lineno">  665</span><span class="comment">// on the database rooted at that router, and populate the node forwarding</span></div>
<div class="line"><a id="l00666" name="l00666"></a><span class="lineno">  666</span><span class="comment">// tables.</span></div>
<div class="line"><a id="l00667" name="l00667"></a><span class="lineno">  667</span><span class="comment">//</span></div>
<div class="line"><a id="l00668" name="l00668"></a><span class="lineno">  668</span><span class="comment">// This function parallels RFC2328, Section 16.1.1, and quagga ospfd</span></div>
<div class="line"><a id="l00669" name="l00669"></a><span class="lineno">  669</span><span class="comment">//</span></div>
<div class="line"><a id="l00670" name="l00670"></a><span class="lineno">  670</span><span class="comment">// This calculation yields the set of intra-area routes associated</span></div>
<div class="line"><a id="l00671" name="l00671"></a><span class="lineno">  671</span><span class="comment">// with an area (called hereafter Area A).  A router calculates the</span></div>
<div class="line"><a id="l00672" name="l00672"></a><span class="lineno">  672</span><span class="comment">// shortest-path tree using itself as the root.  The formation</span></div>
<div class="line"><a id="l00673" name="l00673"></a><span class="lineno">  673</span><span class="comment">// of the shortest path tree is done here in two stages.  In the</span></div>
<div class="line"><a id="l00674" name="l00674"></a><span class="lineno">  674</span><span class="comment">// first stage, only links between routers and transit networks are</span></div>
<div class="line"><a id="l00675" name="l00675"></a><span class="lineno">  675</span><span class="comment">// considered.  Using the Dijkstra algorithm, a tree is formed from</span></div>
<div class="line"><a id="l00676" name="l00676"></a><span class="lineno">  676</span><span class="comment">// this subset of the link state database.  In the second stage,</span></div>
<div class="line"><a id="l00677" name="l00677"></a><span class="lineno">  677</span><span class="comment">// leaves are added to the tree by considering the links to stub</span></div>
<div class="line"><a id="l00678" name="l00678"></a><span class="lineno">  678</span><span class="comment">// networks.</span></div>
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno">  679</span><span class="comment">//</span></div>
<div class="line"><a id="l00680" name="l00680"></a><span class="lineno">  680</span><span class="comment">// The area&#39;s link state database is represented as a directed graph.</span></div>
<div class="line"><a id="l00681" name="l00681"></a><span class="lineno">  681</span><span class="comment">// The graph&#39;s vertices are routers, transit networks and stub networks.</span></div>
<div class="line"><a id="l00682" name="l00682"></a><span class="lineno">  682</span><span class="comment">//</span></div>
<div class="line"><a id="l00683" name="l00683"></a><span class="lineno">  683</span><span class="comment">// The first stage of the procedure (i.e., the Dijkstra algorithm)</span></div>
<div class="line"><a id="l00684" name="l00684"></a><span class="lineno">  684</span><span class="comment">// can now be summarized as follows. At each iteration of the</span></div>
<div class="line"><a id="l00685" name="l00685"></a><span class="lineno">  685</span><span class="comment">// algorithm, there is a list of candidate vertices.  Paths from</span></div>
<div class="line"><a id="l00686" name="l00686"></a><span class="lineno">  686</span><span class="comment">// the root to these vertices have been found, but not necessarily</span></div>
<div class="line"><a id="l00687" name="l00687"></a><span class="lineno">  687</span><span class="comment">// the shortest ones.  However, the paths to the candidate vertex</span></div>
<div class="line"><a id="l00688" name="l00688"></a><span class="lineno">  688</span><span class="comment">// that is closest to the root are guaranteed to be shortest; this</span></div>
<div class="line"><a id="l00689" name="l00689"></a><span class="lineno">  689</span><span class="comment">// vertex is added to the shortest-path tree, removed from the</span></div>
<div class="line"><a id="l00690" name="l00690"></a><span class="lineno">  690</span><span class="comment">// candidate list, and its adjacent vertices are examined for</span></div>
<div class="line"><a id="l00691" name="l00691"></a><span class="lineno">  691</span><span class="comment">// possible addition to/modification of the candidate list.  The</span></div>
<div class="line"><a id="l00692" name="l00692"></a><span class="lineno">  692</span><span class="comment">// algorithm then iterates again.  It terminates when the candidate</span></div>
<div class="line"><a id="l00693" name="l00693"></a><span class="lineno">  693</span><span class="comment">// list becomes empty. </span></div>
<div class="line"><a id="l00694" name="l00694"></a><span class="lineno">  694</span><span class="comment">//</span></div>
<div class="line"><a id="l00695" name="l00695"></a><span class="lineno">  695</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00696" name="l00696"></a><span class="lineno"><a class="line" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a3b798959aeda8a76373705151497692e">  696</a></span><a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a3b798959aeda8a76373705151497692e">DGRRouteManagerImpl::InitializeRoutes</a> ()</div>
<div class="line"><a id="l00697" name="l00697"></a><span class="lineno">  697</span>{</div>
<div class="line"><a id="l00698" name="l00698"></a><span class="lineno">  698</span>  NS_LOG_FUNCTION (<span class="keyword">this</span>);</div>
<div class="line"><a id="l00699" name="l00699"></a><span class="lineno">  699</span><span class="comment">//</span></div>
<div class="line"><a id="l00700" name="l00700"></a><span class="lineno">  700</span><span class="comment">// Walk the list of nodes in the system.</span></div>
<div class="line"><a id="l00701" name="l00701"></a><span class="lineno">  701</span><span class="comment">//</span></div>
<div class="line"><a id="l00702" name="l00702"></a><span class="lineno">  702</span>  <span class="keyword">auto</span> begin = std::chrono::system_clock::now ();</div>
<div class="line"><a id="l00703" name="l00703"></a><span class="lineno">  703</span>  int64_t begin_microseconds = std::chrono::duration_cast&lt;std::chrono::microseconds&gt;(begin.time_since_epoch ()).count (); </div>
<div class="line"><a id="l00704" name="l00704"></a><span class="lineno">  704</span>  NS_LOG_INFO (<span class="stringliteral">&quot;About to start SPF calculation&quot;</span>);</div>
<div class="line"><a id="l00705" name="l00705"></a><span class="lineno">  705</span>  NodeList::Iterator listEnd = NodeList::End ();</div>
<div class="line"><a id="l00706" name="l00706"></a><span class="lineno">  706</span>  <span class="keywordflow">for</span> (NodeList::Iterator <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> = NodeList::Begin (); <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> != listEnd; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l00707" name="l00707"></a><span class="lineno">  707</span>    {</div>
<div class="line"><a id="l00708" name="l00708"></a><span class="lineno">  708</span>      Ptr&lt;Node&gt; node = *<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>;</div>
<div class="line"><a id="l00709" name="l00709"></a><span class="lineno">  709</span> </div>
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno">  710</span>      <span class="comment">//</span></div>
<div class="line"><a id="l00711" name="l00711"></a><span class="lineno">  711</span>      <span class="comment">// Look for the DGRRouter interface that indicates that the node is</span></div>
<div class="line"><a id="l00712" name="l00712"></a><span class="lineno">  712</span>      <span class="comment">// participating in routing.</span></div>
<div class="line"><a id="l00713" name="l00713"></a><span class="lineno">  713</span>      <span class="comment">//</span></div>
<div class="line"><a id="l00714" name="l00714"></a><span class="lineno">  714</span>      Ptr&lt;DGRRouter&gt; rtr = </div>
<div class="line"><a id="l00715" name="l00715"></a><span class="lineno">  715</span>        node-&gt;GetObject&lt;<a class="code hl_class" href="../../d0/d56/classns3_1_1_d_g_r_router.html">DGRRouter</a>&gt; ();</div>
<div class="line"><a id="l00716" name="l00716"></a><span class="lineno">  716</span> </div>
<div class="line"><a id="l00717" name="l00717"></a><span class="lineno">  717</span>      uint32_t systemId = Simulator::GetSystemId ();</div>
<div class="line"><a id="l00718" name="l00718"></a><span class="lineno">  718</span>      <span class="comment">// Ignore nodes that are not assigned to our systemId (distributed sim)</span></div>
<div class="line"><a id="l00719" name="l00719"></a><span class="lineno">  719</span>      <span class="keywordflow">if</span> (node-&gt;GetSystemId () != systemId) </div>
<div class="line"><a id="l00720" name="l00720"></a><span class="lineno">  720</span>        {</div>
<div class="line"><a id="l00721" name="l00721"></a><span class="lineno">  721</span>          <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00722" name="l00722"></a><span class="lineno">  722</span>        }</div>
<div class="line"><a id="l00723" name="l00723"></a><span class="lineno">  723</span> </div>
<div class="line"><a id="l00724" name="l00724"></a><span class="lineno">  724</span>      <span class="comment">// ---------- Initialize Neighbor Information exchange ----</span></div>
<div class="line"><a id="l00725" name="l00725"></a><span class="lineno">  725</span>      Ptr&lt;Ipv4DGRRouting&gt; dgr = rtr-&gt;GetRoutingProtocol ();</div>
<div class="line"><a id="l00726" name="l00726"></a><span class="lineno">  726</span>      dgr-&gt;DoInitialize ();</div>
<div class="line"><a id="l00727" name="l00727"></a><span class="lineno">  727</span> </div>
<div class="line"><a id="l00728" name="l00728"></a><span class="lineno">  728</span>      <span class="comment">// -------- Initialize routing table --------------</span></div>
<div class="line"><a id="l00729" name="l00729"></a><span class="lineno">  729</span>      <span class="comment">//</span></div>
<div class="line"><a id="l00730" name="l00730"></a><span class="lineno">  730</span>      <span class="comment">// if the node has a DGR router interface, then run the DGR routing</span></div>
<div class="line"><a id="l00731" name="l00731"></a><span class="lineno">  731</span>      <span class="comment">// algorithms.</span></div>
<div class="line"><a id="l00732" name="l00732"></a><span class="lineno">  732</span>      <span class="comment">//</span></div>
<div class="line"><a id="l00733" name="l00733"></a><span class="lineno">  733</span>        <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a> *v;</div>
<div class="line"><a id="l00734" name="l00734"></a><span class="lineno">  734</span>        <a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a>* w_lsa = 0;</div>
<div class="line"><a id="l00735" name="l00735"></a><span class="lineno">  735</span>        <a class="code hl_class" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html">DGRRoutingLinkRecord</a> *l = 0;</div>
<div class="line"><a id="l00736" name="l00736"></a><span class="lineno">  736</span>        uint32_t numRecordsInVertex = 0;</div>
<div class="line"><a id="l00737" name="l00737"></a><span class="lineno">  737</span>        v = <span class="keyword">new</span> <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a> (<a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a>-&gt;<a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a232013c41890eb75496e0201fd0689d2">GetLSA</a>(rtr-&gt;GetRouterId ()));</div>
<div class="line"><a id="l00738" name="l00738"></a><span class="lineno">  738</span>        <span class="comment">//</span></div>
<div class="line"><a id="l00739" name="l00739"></a><span class="lineno">  739</span>        <span class="comment">// V points to a Router-LSA or Network-LSA</span></div>
<div class="line"><a id="l00740" name="l00740"></a><span class="lineno">  740</span>        <span class="comment">// Loop over the links in router LSA or attached routers in Network LSA</span></div>
<div class="line"><a id="l00741" name="l00741"></a><span class="lineno">  741</span>        <span class="comment">//</span></div>
<div class="line"><a id="l00742" name="l00742"></a><span class="lineno">  742</span>        <span class="keywordflow">if</span> (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5999846daefbeb25a5265e80e3f3a078">GetVertexType</a> () == <a class="code hl_enumvalue" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96ccea0d137433dfa77b24862a5f2c116da286">DGRVertex::VertexRouter</a>)</div>
<div class="line"><a id="l00743" name="l00743"></a><span class="lineno">  743</span>          {</div>
<div class="line"><a id="l00744" name="l00744"></a><span class="lineno">  744</span>            numRecordsInVertex = v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ()-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a882a042d18bcbdea3bc1a3eb55dcfe58">GetNLinkRecords</a> (); </div>
<div class="line"><a id="l00745" name="l00745"></a><span class="lineno">  745</span>          }</div>
<div class="line"><a id="l00746" name="l00746"></a><span class="lineno">  746</span>        <span class="keywordflow">if</span> (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5999846daefbeb25a5265e80e3f3a078">GetVertexType</a> () == <a class="code hl_enumvalue" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96ccea4cb6ddc9d2395166b87840984bc01880">DGRVertex::VertexNetwork</a>)</div>
<div class="line"><a id="l00747" name="l00747"></a><span class="lineno">  747</span>          {</div>
<div class="line"><a id="l00748" name="l00748"></a><span class="lineno">  748</span>            numRecordsInVertex = v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ()-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#ae7e796f5d4860d2236bef31d74364c91">GetNAttachedRouters</a> (); </div>
<div class="line"><a id="l00749" name="l00749"></a><span class="lineno">  749</span>          }</div>
<div class="line"><a id="l00750" name="l00750"></a><span class="lineno">  750</span>        <span class="keywordflow">for</span> (uint32_t <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> = 0; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt; numRecordsInVertex; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l00751" name="l00751"></a><span class="lineno">  751</span>          {</div>
<div class="line"><a id="l00752" name="l00752"></a><span class="lineno">  752</span>            <span class="comment">// std::cout &lt;&lt; &quot;i = &quot; &lt;&lt; i &lt;&lt; std::endl;</span></div>
<div class="line"><a id="l00753" name="l00753"></a><span class="lineno">  753</span>            <span class="keywordflow">if</span> (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5999846daefbeb25a5265e80e3f3a078">GetVertexType</a> () == <a class="code hl_enumvalue" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96ccea0d137433dfa77b24862a5f2c116da286">DGRVertex::VertexRouter</a>) </div>
<div class="line"><a id="l00754" name="l00754"></a><span class="lineno">  754</span>              {</div>
<div class="line"><a id="l00755" name="l00755"></a><span class="lineno">  755</span>                NS_LOG_LOGIC (<span class="stringliteral">&quot;Examining link &quot;</span> &lt;&lt; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt;&lt; <span class="stringliteral">&quot; of &quot;</span> &lt;&lt; </div>
<div class="line"><a id="l00756" name="l00756"></a><span class="lineno">  756</span>                      v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () &lt;&lt; <span class="stringliteral">&quot;&#39;s &quot;</span> &lt;&lt;</div>
<div class="line"><a id="l00757" name="l00757"></a><span class="lineno">  757</span>                      v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ()-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a882a042d18bcbdea3bc1a3eb55dcfe58">GetNLinkRecords</a> () &lt;&lt; <span class="stringliteral">&quot; link records&quot;</span>);</div>
<div class="line"><a id="l00758" name="l00758"></a><span class="lineno">  758</span>              <span class="comment">//</span></div>
<div class="line"><a id="l00759" name="l00759"></a><span class="lineno">  759</span>              <span class="comment">// (a) If this is a link to a stub network, examine the next link in V&#39;s LSA.</span></div>
<div class="line"><a id="l00760" name="l00760"></a><span class="lineno">  760</span>              <span class="comment">// Links to stub networks will be considered in the second stage of the</span></div>
<div class="line"><a id="l00761" name="l00761"></a><span class="lineno">  761</span>              <span class="comment">// shortest path calculation.</span></div>
<div class="line"><a id="l00762" name="l00762"></a><span class="lineno">  762</span>              <span class="comment">//</span></div>
<div class="line"><a id="l00763" name="l00763"></a><span class="lineno">  763</span>                l = v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ()-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#acb5df9fec863df510911aa3e64d4aa04">GetLinkRecord</a> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>);</div>
<div class="line"><a id="l00764" name="l00764"></a><span class="lineno">  764</span>                NS_ASSERT (l != 0);</div>
<div class="line"><a id="l00765" name="l00765"></a><span class="lineno">  765</span>              <span class="keywordflow">if</span> (l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#ab9148eaf7a9d088a397e66164c1f30b9">GetLinkType</a> () == <a class="code hl_enumvalue" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a93b89b9f89407a39712186911ad12a4ba31c95bb0542fb4fab6cb056f88eea561">DGRRoutingLinkRecord::StubNetwork</a>)</div>
<div class="line"><a id="l00766" name="l00766"></a><span class="lineno">  766</span>                {</div>
<div class="line"><a id="l00767" name="l00767"></a><span class="lineno">  767</span>                  NS_LOG_LOGIC (<span class="stringliteral">&quot;Found a Stub record to &quot;</span> &lt;&lt; l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a9fe6e135674ef321bc11b48f90071857">GetLinkId</a> ());</div>
<div class="line"><a id="l00768" name="l00768"></a><span class="lineno">  768</span>                  <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00769" name="l00769"></a><span class="lineno">  769</span>                }</div>
<div class="line"><a id="l00770" name="l00770"></a><span class="lineno">  770</span>              <span class="comment">//</span></div>
<div class="line"><a id="l00771" name="l00771"></a><span class="lineno">  771</span>              <span class="comment">// (b) Otherwise, W is a transit vertex (router or transit network).  Look up</span></div>
<div class="line"><a id="l00772" name="l00772"></a><span class="lineno">  772</span>              <span class="comment">// the vertex W&#39;s LSA (router-LSA or network-LSA) in Area A&#39;s link state</span></div>
<div class="line"><a id="l00773" name="l00773"></a><span class="lineno">  773</span>              <span class="comment">// database. </span></div>
<div class="line"><a id="l00774" name="l00774"></a><span class="lineno">  774</span>              <span class="comment">//</span></div>
<div class="line"><a id="l00775" name="l00775"></a><span class="lineno">  775</span>              <span class="keywordflow">if</span> (l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#ab9148eaf7a9d088a397e66164c1f30b9">GetLinkType</a> () == <a class="code hl_enumvalue" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a93b89b9f89407a39712186911ad12a4bac9c0a2d3da9eb9fdafee93e52a498c84">DGRRoutingLinkRecord::PointToPoint</a>)</div>
<div class="line"><a id="l00776" name="l00776"></a><span class="lineno">  776</span>                {</div>
<div class="line"><a id="l00777" name="l00777"></a><span class="lineno">  777</span>                  <span class="comment">//</span></div>
<div class="line"><a id="l00778" name="l00778"></a><span class="lineno">  778</span>                  <span class="comment">// Lookup the link state advertisement of the new link -- we call it &lt;w&gt; in</span></div>
<div class="line"><a id="l00779" name="l00779"></a><span class="lineno">  779</span>                  <span class="comment">// the link state database.</span></div>
<div class="line"><a id="l00780" name="l00780"></a><span class="lineno">  780</span>                  <span class="comment">//</span></div>
<div class="line"><a id="l00781" name="l00781"></a><span class="lineno">  781</span>                  w_lsa = <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a>-&gt;<a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a232013c41890eb75496e0201fd0689d2">GetLSA</a> (l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a9fe6e135674ef321bc11b48f90071857">GetLinkId</a> ());</div>
<div class="line"><a id="l00782" name="l00782"></a><span class="lineno">  782</span>                  NS_ASSERT (w_lsa);</div>
<div class="line"><a id="l00783" name="l00783"></a><span class="lineno">  783</span>                  NS_LOG_LOGIC (<span class="stringliteral">&quot;Found a P2P record from &quot;</span> &lt;&lt; </div>
<div class="line"><a id="l00784" name="l00784"></a><span class="lineno">  784</span>                                v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () &lt;&lt; <span class="stringliteral">&quot; to &quot;</span> &lt;&lt; w_lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">GetLinkStateId</a> ());</div>
<div class="line"><a id="l00785" name="l00785"></a><span class="lineno">  785</span>                  Ptr&lt;DGRRouter&gt; router = node-&gt;GetObject&lt;<a class="code hl_class" href="../../d0/d56/classns3_1_1_d_g_r_router.html">DGRRouter</a>&gt; ();</div>
<div class="line"><a id="l00786" name="l00786"></a><span class="lineno">  786</span>                  <span class="keywordflow">if</span> (!router)</div>
<div class="line"><a id="l00787" name="l00787"></a><span class="lineno">  787</span>                    {</div>
<div class="line"><a id="l00788" name="l00788"></a><span class="lineno">  788</span>                      <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00789" name="l00789"></a><span class="lineno">  789</span>                    }</div>
<div class="line"><a id="l00790" name="l00790"></a><span class="lineno">  790</span>                  Ptr&lt;Ipv4DGRRouting&gt; gr = router-&gt;<a class="code hl_function" href="../../d0/d56/classns3_1_1_d_g_r_router.html#a87f63cac54a25accafa7c849a9aa0dbc">GetRoutingProtocol</a> ();</div>
<div class="line"><a id="l00791" name="l00791"></a><span class="lineno">  791</span>                  NS_ASSERT (gr);</div>
<div class="line"><a id="l00792" name="l00792"></a><span class="lineno">  792</span>                  <a class="code hl_class" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html">DGRRoutingLinkRecord</a> *linkRemote =0;</div>
<div class="line"><a id="l00793" name="l00793"></a><span class="lineno">  793</span>                  <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* w = <span class="keyword">new</span> <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a> (w_lsa);</div>
<div class="line"><a id="l00794" name="l00794"></a><span class="lineno">  794</span>                  linkRemote = <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a1ac857e005409b302b1bd2fb1180af0a">SPFGetNextLink</a> (w, v, linkRemote);</div>
<div class="line"><a id="l00795" name="l00795"></a><span class="lineno">  795</span>                  Ptr&lt;Ipv4&gt; ipv4 = node-&gt;GetObject&lt;Ipv4&gt; ();</div>
<div class="line"><a id="l00796" name="l00796"></a><span class="lineno">  796</span>                  int32_t Iface = ipv4-&gt;GetInterfaceForAddress (l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a97080a8409f77898f4485230be0be5e4">GetLinkData</a> ());</div>
<div class="line"><a id="l00797" name="l00797"></a><span class="lineno">  797</span>                  <span class="comment">// std::cout &lt;&lt; &quot;The interface = &quot; &lt;&lt; Iface &lt;&lt; std::endl;</span></div>
<div class="line"><a id="l00798" name="l00798"></a><span class="lineno">  798</span>                  <span class="comment">// gr-&gt;AddHostRouteTo (linkRemote-&gt;GetLinkData (), linkRemote-&gt;GetLinkData (), Iface, l-&gt;GetMetric ());</span></div>
<div class="line"><a id="l00799" name="l00799"></a><span class="lineno">  799</span> </div>
<div class="line"><a id="l00800" name="l00800"></a><span class="lineno">  800</span>                  <span class="comment">// todo</span></div>
<div class="line"><a id="l00801" name="l00801"></a><span class="lineno">  801</span>                  <span class="keywordflow">for</span> (NodeList::Iterator j = NodeList::Begin (); j != listEnd; j++)</div>
<div class="line"><a id="l00802" name="l00802"></a><span class="lineno">  802</span>                    {</div>
<div class="line"><a id="l00803" name="l00803"></a><span class="lineno">  803</span>                      Ptr&lt;Node&gt; nextNode = *j;</div>
<div class="line"><a id="l00804" name="l00804"></a><span class="lineno">  804</span>                      Ptr&lt;Ipv4&gt; nextIpv4 = nextNode-&gt;GetObject&lt;Ipv4&gt; ();</div>
<div class="line"><a id="l00805" name="l00805"></a><span class="lineno">  805</span>                      <span class="keywordflow">for</span> (uint32_t iter =0; iter &lt; nextIpv4-&gt;GetNInterfaces (); iter ++)</div>
<div class="line"><a id="l00806" name="l00806"></a><span class="lineno">  806</span>                        {</div>
<div class="line"><a id="l00807" name="l00807"></a><span class="lineno">  807</span>                          Ipv4InterfaceAddress ifc = nextIpv4-&gt;GetAddress (iter,0);</div>
<div class="line"><a id="l00808" name="l00808"></a><span class="lineno">  808</span>                          Ipv4Address addr = ifc.GetLocal ();</div>
<div class="line"><a id="l00809" name="l00809"></a><span class="lineno">  809</span>                          <span class="keywordflow">if</span> (addr == linkRemote-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a97080a8409f77898f4485230be0be5e4">GetLinkData</a> ())</div>
<div class="line"><a id="l00810" name="l00810"></a><span class="lineno">  810</span>                            {</div>
<div class="line"><a id="l00811" name="l00811"></a><span class="lineno">  811</span>                              <span class="keywordflow">for</span> (uint32_t nIfc = 1; nIfc &lt; nextIpv4-&gt;GetNInterfaces (); nIfc ++)</div>
<div class="line"><a id="l00812" name="l00812"></a><span class="lineno">  812</span>                                {</div>
<div class="line"><a id="l00813" name="l00813"></a><span class="lineno">  813</span>                                  gr-&gt;AddHostRouteTo (nextIpv4-&gt;GetAddress (nIfc,0).GetLocal (), linkRemote-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a97080a8409f77898f4485230be0be5e4">GetLinkData</a> (), Iface, -1, l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#af96cb9a05b3d95d14b6af29e058e3712">GetMetric</a> ());</div>
<div class="line"><a id="l00814" name="l00814"></a><span class="lineno">  814</span>                                }</div>
<div class="line"><a id="l00815" name="l00815"></a><span class="lineno">  815</span>                            }</div>
<div class="line"><a id="l00816" name="l00816"></a><span class="lineno">  816</span>                        }</div>
<div class="line"><a id="l00817" name="l00817"></a><span class="lineno">  817</span>                    }   </div>
<div class="line"><a id="l00818" name="l00818"></a><span class="lineno">  818</span> </div>
<div class="line"><a id="l00819" name="l00819"></a><span class="lineno">  819</span> </div>
<div class="line"><a id="l00820" name="l00820"></a><span class="lineno">  820</span>                  <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a910c2efcc40a79d4c062eb08ceb11522">SPFCalculate</a> (w_lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">GetLinkStateId</a> (), rtr-&gt;GetRouterId (), linkRemote, Iface);</div>
<div class="line"><a id="l00821" name="l00821"></a><span class="lineno">  821</span>                }</div>
<div class="line"><a id="l00822" name="l00822"></a><span class="lineno">  822</span>                <span class="keywordflow">else</span> <span class="keywordflow">if</span> (l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#ab9148eaf7a9d088a397e66164c1f30b9">GetLinkType</a> () == </div>
<div class="line"><a id="l00823" name="l00823"></a><span class="lineno">  823</span>                          <a class="code hl_enumvalue" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a93b89b9f89407a39712186911ad12a4baa0b0a272a289d2f1fcafdfedcde669b7">DGRRoutingLinkRecord::TransitNetwork</a>)</div>
<div class="line"><a id="l00824" name="l00824"></a><span class="lineno">  824</span>                  {</div>
<div class="line"><a id="l00825" name="l00825"></a><span class="lineno">  825</span>                    w_lsa = <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a>-&gt;<a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a232013c41890eb75496e0201fd0689d2">GetLSA</a> (l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a9fe6e135674ef321bc11b48f90071857">GetLinkId</a> ());</div>
<div class="line"><a id="l00826" name="l00826"></a><span class="lineno">  826</span>                    NS_ASSERT (w_lsa);</div>
<div class="line"><a id="l00827" name="l00827"></a><span class="lineno">  827</span>                    NS_LOG_LOGIC (<span class="stringliteral">&quot;Found a Transit record from &quot;</span> &lt;&lt; </div>
<div class="line"><a id="l00828" name="l00828"></a><span class="lineno">  828</span>                                  v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () &lt;&lt; <span class="stringliteral">&quot; to &quot;</span> &lt;&lt; w_lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">GetLinkStateId</a> ());</div>
<div class="line"><a id="l00829" name="l00829"></a><span class="lineno">  829</span>                    <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a910c2efcc40a79d4c062eb08ceb11522">SPFCalculate</a> (w_lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">GetLinkStateId</a> (), rtr-&gt;GetRouterId (), l, <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>+1);</div>
<div class="line"><a id="l00830" name="l00830"></a><span class="lineno">  830</span>                  }</div>
<div class="line"><a id="l00831" name="l00831"></a><span class="lineno">  831</span>                <span class="keywordflow">else</span> </div>
<div class="line"><a id="l00832" name="l00832"></a><span class="lineno">  832</span>                  {</div>
<div class="line"><a id="l00833" name="l00833"></a><span class="lineno">  833</span>                    NS_ASSERT_MSG (0, <span class="stringliteral">&quot;illegal Link Type&quot;</span>);</div>
<div class="line"><a id="l00834" name="l00834"></a><span class="lineno">  834</span>                  }</div>
<div class="line"><a id="l00835" name="l00835"></a><span class="lineno">  835</span>                }</div>
<div class="line"><a id="l00836" name="l00836"></a><span class="lineno">  836</span>          }</div>
<div class="line"><a id="l00837" name="l00837"></a><span class="lineno">  837</span>    }</div>
<div class="line"><a id="l00838" name="l00838"></a><span class="lineno">  838</span>  <span class="keyword">auto</span> end = std::chrono::system_clock::now ();</div>
<div class="line"><a id="l00839" name="l00839"></a><span class="lineno">  839</span>  int64_t end_microseconds = std::chrono::duration_cast&lt;std::chrono::microseconds&gt;(end.time_since_epoch ()).count ();</div>
<div class="line"><a id="l00840" name="l00840"></a><span class="lineno">  840</span>  int64_t durTime = end_microseconds - begin_microseconds;</div>
<div class="line"><a id="l00841" name="l00841"></a><span class="lineno">  841</span>  std::ofstream write;</div>
<div class="line"><a id="l00842" name="l00842"></a><span class="lineno">  842</span>  write.open (<span class="stringliteral">&quot;/home/ff/Desktop/infcomm2023/dgr/ns-allinone-3.33/ns-3.33/contrib/dgr/infocomm2023/new_1_runtime/result/dgr.txt&quot;</span>, std::ios::app);</div>
<div class="line"><a id="l00843" name="l00843"></a><span class="lineno">  843</span>  write &lt;&lt; durTime &lt;&lt; std::endl;</div>
<div class="line"><a id="l00844" name="l00844"></a><span class="lineno">  844</span>  NS_LOG_INFO (<span class="stringliteral">&quot;Finished DGR-SPF calculation&quot;</span>);</div>
<div class="line"><a id="l00845" name="l00845"></a><span class="lineno">  845</span>}</div>
<div class="line"><a id="l00846" name="l00846"></a><span class="lineno">  846</span> </div>
<div class="line"><a id="l00847" name="l00847"></a><span class="lineno">  847</span><span class="comment">//</span></div>
<div class="line"><a id="l00848" name="l00848"></a><span class="lineno">  848</span><span class="comment">// This method is derived from quagga ospf_spf_next ().  See RFC2328 Section </span></div>
<div class="line"><a id="l00849" name="l00849"></a><span class="lineno">  849</span><span class="comment">// 16.1 (2) for further details.</span></div>
<div class="line"><a id="l00850" name="l00850"></a><span class="lineno">  850</span><span class="comment">//</span></div>
<div class="line"><a id="l00851" name="l00851"></a><span class="lineno">  851</span><span class="comment">// We&#39;re passed a parameter &lt;v&gt; that is a vertex which is already in the SPF</span></div>
<div class="line"><a id="l00852" name="l00852"></a><span class="lineno">  852</span><span class="comment">// tree.  A vertex represents a router node.  We also get a reference to the</span></div>
<div class="line"><a id="l00853" name="l00853"></a><span class="lineno">  853</span><span class="comment">// SPF candidate queue, which is a priority queue containing the shortest paths</span></div>
<div class="line"><a id="l00854" name="l00854"></a><span class="lineno">  854</span><span class="comment">// to the networks we know about.</span></div>
<div class="line"><a id="l00855" name="l00855"></a><span class="lineno">  855</span><span class="comment">//</span></div>
<div class="line"><a id="l00856" name="l00856"></a><span class="lineno">  856</span><span class="comment">// We examine the links in v&#39;s LSA and update the list of candidates with any</span></div>
<div class="line"><a id="l00857" name="l00857"></a><span class="lineno">  857</span><span class="comment">// vertices not already on the list.  If a lower-cost path is found to a</span></div>
<div class="line"><a id="l00858" name="l00858"></a><span class="lineno">  858</span><span class="comment">// vertex already on the candidate list, store the new (lower) cost.</span></div>
<div class="line"><a id="l00859" name="l00859"></a><span class="lineno">  859</span><span class="comment">//</span></div>
<div class="line"><a id="l00860" name="l00860"></a><span class="lineno">  860</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00861" name="l00861"></a><span class="lineno"><a class="line" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#ab573904f9f357e2b802b1bbdcdc3247d">  861</a></span><a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#ab573904f9f357e2b802b1bbdcdc3247d">DGRRouteManagerImpl::SPFNext</a> (<a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* v, <a class="code hl_class" href="../../dd/d17/classns3_1_1_d_g_r_candidate_queue.html">DGRCandidateQueue</a>&amp; candidate)</div>
<div class="line"><a id="l00862" name="l00862"></a><span class="lineno">  862</span>{</div>
<div class="line"><a id="l00863" name="l00863"></a><span class="lineno">  863</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; v &lt;&lt; &amp;candidate);</div>
<div class="line"><a id="l00864" name="l00864"></a><span class="lineno">  864</span> </div>
<div class="line"><a id="l00865" name="l00865"></a><span class="lineno">  865</span>  <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* w = 0;</div>
<div class="line"><a id="l00866" name="l00866"></a><span class="lineno">  866</span>  <a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a>* w_lsa = 0;</div>
<div class="line"><a id="l00867" name="l00867"></a><span class="lineno">  867</span>  <a class="code hl_class" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html">DGRRoutingLinkRecord</a> *l = 0;</div>
<div class="line"><a id="l00868" name="l00868"></a><span class="lineno">  868</span>  uint32_t distance = 0;</div>
<div class="line"><a id="l00869" name="l00869"></a><span class="lineno">  869</span>  uint32_t numRecordsInVertex = 0;</div>
<div class="line"><a id="l00870" name="l00870"></a><span class="lineno">  870</span><span class="comment">//</span></div>
<div class="line"><a id="l00871" name="l00871"></a><span class="lineno">  871</span><span class="comment">// V points to a Router-LSA or Network-LSA</span></div>
<div class="line"><a id="l00872" name="l00872"></a><span class="lineno">  872</span><span class="comment">// Loop over the links in router LSA or attached routers in Network LSA</span></div>
<div class="line"><a id="l00873" name="l00873"></a><span class="lineno">  873</span><span class="comment">//</span></div>
<div class="line"><a id="l00874" name="l00874"></a><span class="lineno">  874</span>  <span class="keywordflow">if</span> (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5999846daefbeb25a5265e80e3f3a078">GetVertexType</a> () == <a class="code hl_enumvalue" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96ccea0d137433dfa77b24862a5f2c116da286">DGRVertex::VertexRouter</a>)</div>
<div class="line"><a id="l00875" name="l00875"></a><span class="lineno">  875</span>    {</div>
<div class="line"><a id="l00876" name="l00876"></a><span class="lineno">  876</span>      numRecordsInVertex = v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ()-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a882a042d18bcbdea3bc1a3eb55dcfe58">GetNLinkRecords</a> (); </div>
<div class="line"><a id="l00877" name="l00877"></a><span class="lineno">  877</span>    }</div>
<div class="line"><a id="l00878" name="l00878"></a><span class="lineno">  878</span>  <span class="keywordflow">if</span> (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5999846daefbeb25a5265e80e3f3a078">GetVertexType</a> () == <a class="code hl_enumvalue" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96ccea4cb6ddc9d2395166b87840984bc01880">DGRVertex::VertexNetwork</a>)</div>
<div class="line"><a id="l00879" name="l00879"></a><span class="lineno">  879</span>    {</div>
<div class="line"><a id="l00880" name="l00880"></a><span class="lineno">  880</span>      numRecordsInVertex = v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ()-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#ae7e796f5d4860d2236bef31d74364c91">GetNAttachedRouters</a> (); </div>
<div class="line"><a id="l00881" name="l00881"></a><span class="lineno">  881</span>    }</div>
<div class="line"><a id="l00882" name="l00882"></a><span class="lineno">  882</span> </div>
<div class="line"><a id="l00883" name="l00883"></a><span class="lineno">  883</span>  <span class="keywordflow">for</span> (uint32_t <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> = 0; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt; numRecordsInVertex; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l00884" name="l00884"></a><span class="lineno">  884</span>    {</div>
<div class="line"><a id="l00885" name="l00885"></a><span class="lineno">  885</span><span class="comment">// Get w_lsa:  In case of V is Router-LSA</span></div>
<div class="line"><a id="l00886" name="l00886"></a><span class="lineno">  886</span>      <span class="keywordflow">if</span> (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5999846daefbeb25a5265e80e3f3a078">GetVertexType</a> () == <a class="code hl_enumvalue" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96ccea0d137433dfa77b24862a5f2c116da286">DGRVertex::VertexRouter</a>) </div>
<div class="line"><a id="l00887" name="l00887"></a><span class="lineno">  887</span>        {</div>
<div class="line"><a id="l00888" name="l00888"></a><span class="lineno">  888</span>          NS_LOG_LOGIC (<span class="stringliteral">&quot;Examining link &quot;</span> &lt;&lt; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt;&lt; <span class="stringliteral">&quot; of &quot;</span> &lt;&lt; </div>
<div class="line"><a id="l00889" name="l00889"></a><span class="lineno">  889</span>                        v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () &lt;&lt; <span class="stringliteral">&quot;&#39;s &quot;</span> &lt;&lt;</div>
<div class="line"><a id="l00890" name="l00890"></a><span class="lineno">  890</span>                        v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ()-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a882a042d18bcbdea3bc1a3eb55dcfe58">GetNLinkRecords</a> () &lt;&lt; <span class="stringliteral">&quot; link records&quot;</span>);</div>
<div class="line"><a id="l00891" name="l00891"></a><span class="lineno">  891</span><span class="comment">//</span></div>
<div class="line"><a id="l00892" name="l00892"></a><span class="lineno">  892</span><span class="comment">// (a) If this is a link to a stub network, examine the next link in V&#39;s LSA.</span></div>
<div class="line"><a id="l00893" name="l00893"></a><span class="lineno">  893</span><span class="comment">// Links to stub networks will be considered in the second stage of the</span></div>
<div class="line"><a id="l00894" name="l00894"></a><span class="lineno">  894</span><span class="comment">// shortest path calculation.</span></div>
<div class="line"><a id="l00895" name="l00895"></a><span class="lineno">  895</span><span class="comment">//</span></div>
<div class="line"><a id="l00896" name="l00896"></a><span class="lineno">  896</span>          l = v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ()-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#acb5df9fec863df510911aa3e64d4aa04">GetLinkRecord</a> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>);</div>
<div class="line"><a id="l00897" name="l00897"></a><span class="lineno">  897</span>          NS_ASSERT (l != 0);</div>
<div class="line"><a id="l00898" name="l00898"></a><span class="lineno">  898</span>          <span class="keywordflow">if</span> (l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#ab9148eaf7a9d088a397e66164c1f30b9">GetLinkType</a> () == <a class="code hl_enumvalue" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a93b89b9f89407a39712186911ad12a4ba31c95bb0542fb4fab6cb056f88eea561">DGRRoutingLinkRecord::StubNetwork</a>)</div>
<div class="line"><a id="l00899" name="l00899"></a><span class="lineno">  899</span>            {</div>
<div class="line"><a id="l00900" name="l00900"></a><span class="lineno">  900</span>              NS_LOG_LOGIC (<span class="stringliteral">&quot;Found a Stub record to &quot;</span> &lt;&lt; l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a9fe6e135674ef321bc11b48f90071857">GetLinkId</a> ());</div>
<div class="line"><a id="l00901" name="l00901"></a><span class="lineno">  901</span>              <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00902" name="l00902"></a><span class="lineno">  902</span>            }</div>
<div class="line"><a id="l00903" name="l00903"></a><span class="lineno">  903</span><span class="comment">//</span></div>
<div class="line"><a id="l00904" name="l00904"></a><span class="lineno">  904</span><span class="comment">// (b) Otherwise, W is a transit vertex (router or transit network).  Look up</span></div>
<div class="line"><a id="l00905" name="l00905"></a><span class="lineno">  905</span><span class="comment">// the vertex W&#39;s LSA (router-LSA or network-LSA) in Area A&#39;s link state</span></div>
<div class="line"><a id="l00906" name="l00906"></a><span class="lineno">  906</span><span class="comment">// database. </span></div>
<div class="line"><a id="l00907" name="l00907"></a><span class="lineno">  907</span><span class="comment">//</span></div>
<div class="line"><a id="l00908" name="l00908"></a><span class="lineno">  908</span>          <span class="keywordflow">if</span> (l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#ab9148eaf7a9d088a397e66164c1f30b9">GetLinkType</a> () == <a class="code hl_enumvalue" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a93b89b9f89407a39712186911ad12a4bac9c0a2d3da9eb9fdafee93e52a498c84">DGRRoutingLinkRecord::PointToPoint</a>)</div>
<div class="line"><a id="l00909" name="l00909"></a><span class="lineno">  909</span>            {</div>
<div class="line"><a id="l00910" name="l00910"></a><span class="lineno">  910</span><span class="comment">//</span></div>
<div class="line"><a id="l00911" name="l00911"></a><span class="lineno">  911</span><span class="comment">// Lookup the link state advertisement of the new link -- we call it &lt;w&gt; in</span></div>
<div class="line"><a id="l00912" name="l00912"></a><span class="lineno">  912</span><span class="comment">// the link state database.</span></div>
<div class="line"><a id="l00913" name="l00913"></a><span class="lineno">  913</span><span class="comment">//</span></div>
<div class="line"><a id="l00914" name="l00914"></a><span class="lineno">  914</span>              w_lsa = <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a>-&gt;<a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a232013c41890eb75496e0201fd0689d2">GetLSA</a> (l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a9fe6e135674ef321bc11b48f90071857">GetLinkId</a> ());</div>
<div class="line"><a id="l00915" name="l00915"></a><span class="lineno">  915</span>              NS_ASSERT (w_lsa);</div>
<div class="line"><a id="l00916" name="l00916"></a><span class="lineno">  916</span>              NS_LOG_LOGIC (<span class="stringliteral">&quot;Found a P2P record from &quot;</span> &lt;&lt; </div>
<div class="line"><a id="l00917" name="l00917"></a><span class="lineno">  917</span>                            v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () &lt;&lt; <span class="stringliteral">&quot; to &quot;</span> &lt;&lt; w_lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">GetLinkStateId</a> ());</div>
<div class="line"><a id="l00918" name="l00918"></a><span class="lineno">  918</span>            }</div>
<div class="line"><a id="l00919" name="l00919"></a><span class="lineno">  919</span>          <span class="keywordflow">else</span> <span class="keywordflow">if</span> (l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#ab9148eaf7a9d088a397e66164c1f30b9">GetLinkType</a> () == </div>
<div class="line"><a id="l00920" name="l00920"></a><span class="lineno">  920</span>                   <a class="code hl_enumvalue" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a93b89b9f89407a39712186911ad12a4baa0b0a272a289d2f1fcafdfedcde669b7">DGRRoutingLinkRecord::TransitNetwork</a>)</div>
<div class="line"><a id="l00921" name="l00921"></a><span class="lineno">  921</span>            {</div>
<div class="line"><a id="l00922" name="l00922"></a><span class="lineno">  922</span>              w_lsa = <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a>-&gt;<a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a232013c41890eb75496e0201fd0689d2">GetLSA</a> (l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a9fe6e135674ef321bc11b48f90071857">GetLinkId</a> ());</div>
<div class="line"><a id="l00923" name="l00923"></a><span class="lineno">  923</span>              NS_ASSERT (w_lsa);</div>
<div class="line"><a id="l00924" name="l00924"></a><span class="lineno">  924</span>              NS_LOG_LOGIC (<span class="stringliteral">&quot;Found a Transit record from &quot;</span> &lt;&lt; </div>
<div class="line"><a id="l00925" name="l00925"></a><span class="lineno">  925</span>                            v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () &lt;&lt; <span class="stringliteral">&quot; to &quot;</span> &lt;&lt; w_lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">GetLinkStateId</a> ());</div>
<div class="line"><a id="l00926" name="l00926"></a><span class="lineno">  926</span>            }</div>
<div class="line"><a id="l00927" name="l00927"></a><span class="lineno">  927</span>          <span class="keywordflow">else</span> </div>
<div class="line"><a id="l00928" name="l00928"></a><span class="lineno">  928</span>            {</div>
<div class="line"><a id="l00929" name="l00929"></a><span class="lineno">  929</span>              NS_ASSERT_MSG (0, <span class="stringliteral">&quot;illegal Link Type&quot;</span>);</div>
<div class="line"><a id="l00930" name="l00930"></a><span class="lineno">  930</span>            }</div>
<div class="line"><a id="l00931" name="l00931"></a><span class="lineno">  931</span>        }</div>
<div class="line"><a id="l00932" name="l00932"></a><span class="lineno">  932</span><span class="comment">// Get w_lsa:  In case of V is Network-LSA</span></div>
<div class="line"><a id="l00933" name="l00933"></a><span class="lineno">  933</span>      <span class="keywordflow">if</span> (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5999846daefbeb25a5265e80e3f3a078">GetVertexType</a> () == <a class="code hl_enumvalue" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96ccea4cb6ddc9d2395166b87840984bc01880">DGRVertex::VertexNetwork</a>) </div>
<div class="line"><a id="l00934" name="l00934"></a><span class="lineno">  934</span>        {</div>
<div class="line"><a id="l00935" name="l00935"></a><span class="lineno">  935</span>          w_lsa = <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a>-&gt;<a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#ac6f9ca728688bae5adc4172dee708553">GetLSAByLinkData</a> </div>
<div class="line"><a id="l00936" name="l00936"></a><span class="lineno">  936</span>              (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ()-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a1b5e5fa81d0506983a0755787a8d2d62">GetAttachedRouter</a> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>));</div>
<div class="line"><a id="l00937" name="l00937"></a><span class="lineno">  937</span>          <span class="keywordflow">if</span> (!w_lsa)</div>
<div class="line"><a id="l00938" name="l00938"></a><span class="lineno">  938</span>            {</div>
<div class="line"><a id="l00939" name="l00939"></a><span class="lineno">  939</span>              <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00940" name="l00940"></a><span class="lineno">  940</span>            }</div>
<div class="line"><a id="l00941" name="l00941"></a><span class="lineno">  941</span>          NS_LOG_LOGIC (<span class="stringliteral">&quot;Found a Network LSA from &quot;</span> &lt;&lt; </div>
<div class="line"><a id="l00942" name="l00942"></a><span class="lineno">  942</span>                        v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () &lt;&lt; <span class="stringliteral">&quot; to &quot;</span> &lt;&lt; w_lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">GetLinkStateId</a> ());</div>
<div class="line"><a id="l00943" name="l00943"></a><span class="lineno">  943</span>        }</div>
<div class="line"><a id="l00944" name="l00944"></a><span class="lineno">  944</span> </div>
<div class="line"><a id="l00945" name="l00945"></a><span class="lineno">  945</span><span class="comment">// Note:  w_lsa at this point may be either RouterLSA or NetworkLSA</span></div>
<div class="line"><a id="l00946" name="l00946"></a><span class="lineno">  946</span><span class="comment">//</span></div>
<div class="line"><a id="l00947" name="l00947"></a><span class="lineno">  947</span><span class="comment">// (c) If vertex W is already on the shortest-path tree, examine the next</span></div>
<div class="line"><a id="l00948" name="l00948"></a><span class="lineno">  948</span><span class="comment">// link in the LSA.</span></div>
<div class="line"><a id="l00949" name="l00949"></a><span class="lineno">  949</span><span class="comment">//</span></div>
<div class="line"><a id="l00950" name="l00950"></a><span class="lineno">  950</span><span class="comment">// If the link is to a router that is already in the shortest path first tree</span></div>
<div class="line"><a id="l00951" name="l00951"></a><span class="lineno">  951</span><span class="comment">// then we have it covered -- ignore it.</span></div>
<div class="line"><a id="l00952" name="l00952"></a><span class="lineno">  952</span><span class="comment">//</span></div>
<div class="line"><a id="l00953" name="l00953"></a><span class="lineno">  953</span>      <span class="keywordflow">if</span> (w_lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#afd80a2583858e08b8b3877a5401bf072">GetStatus</a> () == <a class="code hl_enumvalue" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a2d6cf227cde572e9c99d273a0e0fa5f7a0f88fe6c9e38275dc638a9ebb26018a2">DGRRoutingLSA::LSA_SPF_IN_SPFTREE</a>) </div>
<div class="line"><a id="l00954" name="l00954"></a><span class="lineno">  954</span>        {</div>
<div class="line"><a id="l00955" name="l00955"></a><span class="lineno">  955</span>          NS_LOG_LOGIC (<span class="stringliteral">&quot;Skipping -&gt;  LSA &quot;</span>&lt;&lt; </div>
<div class="line"><a id="l00956" name="l00956"></a><span class="lineno">  956</span>                        w_lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">GetLinkStateId</a> () &lt;&lt; <span class="stringliteral">&quot; already in SPF tree&quot;</span>);</div>
<div class="line"><a id="l00957" name="l00957"></a><span class="lineno">  957</span>          <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00958" name="l00958"></a><span class="lineno">  958</span>        }</div>
<div class="line"><a id="l00959" name="l00959"></a><span class="lineno">  959</span><span class="comment">//</span></div>
<div class="line"><a id="l00960" name="l00960"></a><span class="lineno">  960</span><span class="comment">// (d) Calculate the link state cost D of the resulting path from the root to </span></div>
<div class="line"><a id="l00961" name="l00961"></a><span class="lineno">  961</span><span class="comment">// vertex W.  D is equal to the sum of the link state cost of the (already </span></div>
<div class="line"><a id="l00962" name="l00962"></a><span class="lineno">  962</span><span class="comment">// calculated) shortest path to vertex V and the advertised cost of the link</span></div>
<div class="line"><a id="l00963" name="l00963"></a><span class="lineno">  963</span><span class="comment">// between vertices V and W.</span></div>
<div class="line"><a id="l00964" name="l00964"></a><span class="lineno">  964</span><span class="comment">//</span></div>
<div class="line"><a id="l00965" name="l00965"></a><span class="lineno">  965</span>      <span class="keywordflow">if</span> (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ()-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#aa00b07a4d8639539e94817f98905ef19">GetLSType</a> () == <a class="code hl_enumvalue" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a38d676a01a677ff003f198d454cf0694a0322ce07c2b94cdb14163bbe04cb9674">DGRRoutingLSA::RouterLSA</a>)</div>
<div class="line"><a id="l00966" name="l00966"></a><span class="lineno">  966</span>        {</div>
<div class="line"><a id="l00967" name="l00967"></a><span class="lineno">  967</span>          NS_ASSERT (l != 0);</div>
<div class="line"><a id="l00968" name="l00968"></a><span class="lineno">  968</span>          distance = v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a307ee8139d815f7f26b8cf01e6885b53">GetDistanceFromRoot</a> () + l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#af96cb9a05b3d95d14b6af29e058e3712">GetMetric</a> ();</div>
<div class="line"><a id="l00969" name="l00969"></a><span class="lineno">  969</span>        }</div>
<div class="line"><a id="l00970" name="l00970"></a><span class="lineno">  970</span>      <span class="keywordflow">else</span></div>
<div class="line"><a id="l00971" name="l00971"></a><span class="lineno">  971</span>        {</div>
<div class="line"><a id="l00972" name="l00972"></a><span class="lineno">  972</span>          distance = v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a307ee8139d815f7f26b8cf01e6885b53">GetDistanceFromRoot</a> ();</div>
<div class="line"><a id="l00973" name="l00973"></a><span class="lineno">  973</span>        }</div>
<div class="line"><a id="l00974" name="l00974"></a><span class="lineno">  974</span> </div>
<div class="line"><a id="l00975" name="l00975"></a><span class="lineno">  975</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;Considering w_lsa &quot;</span> &lt;&lt; w_lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">GetLinkStateId</a> ());</div>
<div class="line"><a id="l00976" name="l00976"></a><span class="lineno">  976</span> </div>
<div class="line"><a id="l00977" name="l00977"></a><span class="lineno">  977</span><span class="comment">// Is there already vertex w in candidate list?</span></div>
<div class="line"><a id="l00978" name="l00978"></a><span class="lineno">  978</span>      <span class="keywordflow">if</span> (w_lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#afd80a2583858e08b8b3877a5401bf072">GetStatus</a> () == <a class="code hl_enumvalue" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a2d6cf227cde572e9c99d273a0e0fa5f7ac563232b34162339268c7804c93765ad">DGRRoutingLSA::LSA_SPF_NOT_EXPLORED</a>)</div>
<div class="line"><a id="l00979" name="l00979"></a><span class="lineno">  979</span>        {</div>
<div class="line"><a id="l00980" name="l00980"></a><span class="lineno">  980</span><span class="comment">// Calculate nexthop to w</span></div>
<div class="line"><a id="l00981" name="l00981"></a><span class="lineno">  981</span><span class="comment">// We need to figure out how to actually get to the new router represented</span></div>
<div class="line"><a id="l00982" name="l00982"></a><span class="lineno">  982</span><span class="comment">// by &lt;w&gt;.  This will (among other things) find the next hop address to send</span></div>
<div class="line"><a id="l00983" name="l00983"></a><span class="lineno">  983</span><span class="comment">// packets destined for this network to, and also find the outbound interface</span></div>
<div class="line"><a id="l00984" name="l00984"></a><span class="lineno">  984</span><span class="comment">// used to forward the packets.</span></div>
<div class="line"><a id="l00985" name="l00985"></a><span class="lineno">  985</span> </div>
<div class="line"><a id="l00986" name="l00986"></a><span class="lineno">  986</span><span class="comment">// prepare vertex w</span></div>
<div class="line"><a id="l00987" name="l00987"></a><span class="lineno">  987</span>          w = <span class="keyword">new</span> <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a> (w_lsa);</div>
<div class="line"><a id="l00988" name="l00988"></a><span class="lineno">  988</span>          <span class="keywordflow">if</span> (<a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#aa10b6b58af69a3da1d8478d50e78bef8">SPFNexthopCalculation</a> (v, w, l, distance))</div>
<div class="line"><a id="l00989" name="l00989"></a><span class="lineno">  989</span>            {</div>
<div class="line"><a id="l00990" name="l00990"></a><span class="lineno">  990</span>              w_lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a497453d1271c0020968487ec8ead99c5">SetStatus</a> (<a class="code hl_enumvalue" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a2d6cf227cde572e9c99d273a0e0fa5f7a196d95882ef494ff03d1549a998ba12c">DGRRoutingLSA::LSA_SPF_CANDIDATE</a>);</div>
<div class="line"><a id="l00991" name="l00991"></a><span class="lineno">  991</span><span class="comment">//</span></div>
<div class="line"><a id="l00992" name="l00992"></a><span class="lineno">  992</span><span class="comment">// Push this new vertex onto the priority queue (ordered by distance from the</span></div>
<div class="line"><a id="l00993" name="l00993"></a><span class="lineno">  993</span><span class="comment">// root node).</span></div>
<div class="line"><a id="l00994" name="l00994"></a><span class="lineno">  994</span><span class="comment">//</span></div>
<div class="line"><a id="l00995" name="l00995"></a><span class="lineno">  995</span>              candidate.<a class="code hl_function" href="../../dd/d17/classns3_1_1_d_g_r_candidate_queue.html#ae02f69062ca21f025cba41d535491b87">Push</a> (w);</div>
<div class="line"><a id="l00996" name="l00996"></a><span class="lineno">  996</span>              NS_LOG_LOGIC (<span class="stringliteral">&quot;Pushing &quot;</span> &lt;&lt; </div>
<div class="line"><a id="l00997" name="l00997"></a><span class="lineno">  997</span>                            w-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () &lt;&lt; <span class="stringliteral">&quot;, parent vertexId: &quot;</span> &lt;&lt;</div>
<div class="line"><a id="l00998" name="l00998"></a><span class="lineno">  998</span>                            v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () &lt;&lt; <span class="stringliteral">&quot;, distance: &quot;</span> &lt;&lt;</div>
<div class="line"><a id="l00999" name="l00999"></a><span class="lineno">  999</span>                            w-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a307ee8139d815f7f26b8cf01e6885b53">GetDistanceFromRoot</a> ());</div>
<div class="line"><a id="l01000" name="l01000"></a><span class="lineno"> 1000</span>            }</div>
<div class="line"><a id="l01001" name="l01001"></a><span class="lineno"> 1001</span>          <span class="keywordflow">else</span></div>
<div class="line"><a id="l01002" name="l01002"></a><span class="lineno"> 1002</span>            NS_ASSERT_MSG (0, <span class="stringliteral">&quot;SPFNexthopCalculation never &quot;</span> </div>
<div class="line"><a id="l01003" name="l01003"></a><span class="lineno"> 1003</span>                           &lt;&lt; <span class="stringliteral">&quot;return false, but it does now!&quot;</span>);</div>
<div class="line"><a id="l01004" name="l01004"></a><span class="lineno"> 1004</span>        }</div>
<div class="line"><a id="l01005" name="l01005"></a><span class="lineno"> 1005</span>      <span class="keywordflow">else</span> <span class="keywordflow">if</span> (w_lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#afd80a2583858e08b8b3877a5401bf072">GetStatus</a> () == <a class="code hl_enumvalue" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a2d6cf227cde572e9c99d273a0e0fa5f7a196d95882ef494ff03d1549a998ba12c">DGRRoutingLSA::LSA_SPF_CANDIDATE</a>)</div>
<div class="line"><a id="l01006" name="l01006"></a><span class="lineno"> 1006</span>        {</div>
<div class="line"><a id="l01007" name="l01007"></a><span class="lineno"> 1007</span><span class="comment">//</span></div>
<div class="line"><a id="l01008" name="l01008"></a><span class="lineno"> 1008</span><span class="comment">// We have already considered the link represented by &lt;w&gt;.  What wse have to</span></div>
<div class="line"><a id="l01009" name="l01009"></a><span class="lineno"> 1009</span><span class="comment">// do now is to decide if this new router represents a route with a shorter</span></div>
<div class="line"><a id="l01010" name="l01010"></a><span class="lineno"> 1010</span><span class="comment">// distance metric.</span></div>
<div class="line"><a id="l01011" name="l01011"></a><span class="lineno"> 1011</span><span class="comment">//</span></div>
<div class="line"><a id="l01012" name="l01012"></a><span class="lineno"> 1012</span><span class="comment">// So, locate the vertex in the candidate queue and take a look at the </span></div>
<div class="line"><a id="l01013" name="l01013"></a><span class="lineno"> 1013</span><span class="comment">// distance.</span></div>
<div class="line"><a id="l01014" name="l01014"></a><span class="lineno"> 1014</span> </div>
<div class="line"><a id="l01015" name="l01015"></a><span class="lineno"> 1015</span><span class="comment">/* (quagga-0.98.6) W is already on the candidate list; call it cw.</span></div>
<div class="line"><a id="l01016" name="l01016"></a><span class="lineno"> 1016</span><span class="comment">* Compare the previously calculated cost (cw-&gt;distance)</span></div>
<div class="line"><a id="l01017" name="l01017"></a><span class="lineno"> 1017</span><span class="comment">* with the cost we just determined (w-&gt;distance) to see</span></div>
<div class="line"><a id="l01018" name="l01018"></a><span class="lineno"> 1018</span><span class="comment">* if we&#39;ve found a shorter path.</span></div>
<div class="line"><a id="l01019" name="l01019"></a><span class="lineno"> 1019</span><span class="comment">*/</span></div>
<div class="line"><a id="l01020" name="l01020"></a><span class="lineno"> 1020</span>          <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* cw;</div>
<div class="line"><a id="l01021" name="l01021"></a><span class="lineno"> 1021</span>          cw = candidate.<a class="code hl_function" href="../../dd/d17/classns3_1_1_d_g_r_candidate_queue.html#a0059b97ee38bc933def96f22719e90c8">Find</a> (w_lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">GetLinkStateId</a> ());</div>
<div class="line"><a id="l01022" name="l01022"></a><span class="lineno"> 1022</span>          <span class="keywordflow">if</span> (cw-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a307ee8139d815f7f26b8cf01e6885b53">GetDistanceFromRoot</a> () &lt; distance)</div>
<div class="line"><a id="l01023" name="l01023"></a><span class="lineno"> 1023</span>            {</div>
<div class="line"><a id="l01024" name="l01024"></a><span class="lineno"> 1024</span><span class="comment">//</span></div>
<div class="line"><a id="l01025" name="l01025"></a><span class="lineno"> 1025</span><span class="comment">// This is not a shorter path, so don&#39;t do anything.</span></div>
<div class="line"><a id="l01026" name="l01026"></a><span class="lineno"> 1026</span><span class="comment">//</span></div>
<div class="line"><a id="l01027" name="l01027"></a><span class="lineno"> 1027</span>              <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l01028" name="l01028"></a><span class="lineno"> 1028</span>            }</div>
<div class="line"><a id="l01029" name="l01029"></a><span class="lineno"> 1029</span>          <span class="keywordflow">else</span> <span class="keywordflow">if</span> (cw-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a307ee8139d815f7f26b8cf01e6885b53">GetDistanceFromRoot</a> () == distance)</div>
<div class="line"><a id="l01030" name="l01030"></a><span class="lineno"> 1030</span>            {</div>
<div class="line"><a id="l01031" name="l01031"></a><span class="lineno"> 1031</span><span class="comment">//</span></div>
<div class="line"><a id="l01032" name="l01032"></a><span class="lineno"> 1032</span><span class="comment">// This path is one with an equal cost.</span></div>
<div class="line"><a id="l01033" name="l01033"></a><span class="lineno"> 1033</span><span class="comment">//</span></div>
<div class="line"><a id="l01034" name="l01034"></a><span class="lineno"> 1034</span>              NS_LOG_LOGIC (<span class="stringliteral">&quot;Equal cost multiple paths found.&quot;</span>);</div>
<div class="line"><a id="l01035" name="l01035"></a><span class="lineno"> 1035</span> </div>
<div class="line"><a id="l01036" name="l01036"></a><span class="lineno"> 1036</span><span class="comment">// At this point, there are two instances &#39;w&#39; and &#39;cw&#39; of the</span></div>
<div class="line"><a id="l01037" name="l01037"></a><span class="lineno"> 1037</span><span class="comment">// same vertex, the vertex that is currently being considered</span></div>
<div class="line"><a id="l01038" name="l01038"></a><span class="lineno"> 1038</span><span class="comment">// for adding into the shortest path tree. &#39;w&#39; is the instance</span></div>
<div class="line"><a id="l01039" name="l01039"></a><span class="lineno"> 1039</span><span class="comment">// as seen from the root via vertex &#39;v&#39;, and &#39;cw&#39; is the instance </span></div>
<div class="line"><a id="l01040" name="l01040"></a><span class="lineno"> 1040</span><span class="comment">// as seen from the root via some other vertices other than &#39;v&#39;.</span></div>
<div class="line"><a id="l01041" name="l01041"></a><span class="lineno"> 1041</span><span class="comment">// These two instances are being merged in the following code.</span></div>
<div class="line"><a id="l01042" name="l01042"></a><span class="lineno"> 1042</span><span class="comment">// In particular, the parent nodes, the next hops, and the root&#39;s</span></div>
<div class="line"><a id="l01043" name="l01043"></a><span class="lineno"> 1043</span><span class="comment">// output interfaces of the two instances are being merged.</span></div>
<div class="line"><a id="l01044" name="l01044"></a><span class="lineno"> 1044</span><span class="comment">// </span></div>
<div class="line"><a id="l01045" name="l01045"></a><span class="lineno"> 1045</span><span class="comment">// Note that this is functionally equivalent to calling</span></div>
<div class="line"><a id="l01046" name="l01046"></a><span class="lineno"> 1046</span><span class="comment">// ospf_nexthop_merge (cw-&gt;nexthop, w-&gt;nexthop) in quagga-0.98.6</span></div>
<div class="line"><a id="l01047" name="l01047"></a><span class="lineno"> 1047</span><span class="comment">// (ospf_spf.c::859), although the detail implementation</span></div>
<div class="line"><a id="l01048" name="l01048"></a><span class="lineno"> 1048</span><span class="comment">// is very different from quagga (blame ns3::DGRRouteManagerImpl)</span></div>
<div class="line"><a id="l01049" name="l01049"></a><span class="lineno"> 1049</span> </div>
<div class="line"><a id="l01050" name="l01050"></a><span class="lineno"> 1050</span><span class="comment">// prepare vertex w</span></div>
<div class="line"><a id="l01051" name="l01051"></a><span class="lineno"> 1051</span>              w = <span class="keyword">new</span> <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a> (w_lsa);</div>
<div class="line"><a id="l01052" name="l01052"></a><span class="lineno"> 1052</span>              <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#aa10b6b58af69a3da1d8478d50e78bef8">SPFNexthopCalculation</a> (v, w, l, distance);</div>
<div class="line"><a id="l01053" name="l01053"></a><span class="lineno"> 1053</span>              cw-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#abfd711c43e166fc59f65235af75c4c07">MergeRootExitDirections</a> (w);</div>
<div class="line"><a id="l01054" name="l01054"></a><span class="lineno"> 1054</span>              cw-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aa8a039e85d0a64c8451a8ea69ddd3fc0">MergeParent</a> (w);</div>
<div class="line"><a id="l01055" name="l01055"></a><span class="lineno"> 1055</span><span class="comment">// DGRVertexAddParent (w) is necessary as the destructor of </span></div>
<div class="line"><a id="l01056" name="l01056"></a><span class="lineno"> 1056</span><span class="comment">// DGRVertex checks if the vertex and its parent is linked</span></div>
<div class="line"><a id="l01057" name="l01057"></a><span class="lineno"> 1057</span><span class="comment">// bidirectionally</span></div>
<div class="line"><a id="l01058" name="l01058"></a><span class="lineno"> 1058</span>              <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a98dcc2494c9f368e4cfed15ead8a2990">DGRVertexAddParent</a> (w);</div>
<div class="line"><a id="l01059" name="l01059"></a><span class="lineno"> 1059</span>              <span class="keyword">delete</span> w;</div>
<div class="line"><a id="l01060" name="l01060"></a><span class="lineno"> 1060</span>            }</div>
<div class="line"><a id="l01061" name="l01061"></a><span class="lineno"> 1061</span>          <span class="keywordflow">else</span> <span class="comment">// cw-&gt;GetDistanceFromRoot () &gt; w-&gt;GetDistanceFromRoot ()</span></div>
<div class="line"><a id="l01062" name="l01062"></a><span class="lineno"> 1062</span>            {</div>
<div class="line"><a id="l01063" name="l01063"></a><span class="lineno"> 1063</span><span class="comment">// </span></div>
<div class="line"><a id="l01064" name="l01064"></a><span class="lineno"> 1064</span><span class="comment">// this path represents a new, lower-cost path to &lt;w&gt; (the vertex we found in</span></div>
<div class="line"><a id="l01065" name="l01065"></a><span class="lineno"> 1065</span><span class="comment">// the current link record of the link state advertisement of the current root</span></div>
<div class="line"><a id="l01066" name="l01066"></a><span class="lineno"> 1066</span><span class="comment">// (vertex &lt;v&gt;)</span></div>
<div class="line"><a id="l01067" name="l01067"></a><span class="lineno"> 1067</span><span class="comment">//</span></div>
<div class="line"><a id="l01068" name="l01068"></a><span class="lineno"> 1068</span><span class="comment">// N.B. the nexthop_calculation is conditional, if it finds a valid nexthop</span></div>
<div class="line"><a id="l01069" name="l01069"></a><span class="lineno"> 1069</span><span class="comment">// it will call spf_add_parents, which will flush the old parents</span></div>
<div class="line"><a id="l01070" name="l01070"></a><span class="lineno"> 1070</span><span class="comment">//</span></div>
<div class="line"><a id="l01071" name="l01071"></a><span class="lineno"> 1071</span>              <span class="keywordflow">if</span> (<a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#aa10b6b58af69a3da1d8478d50e78bef8">SPFNexthopCalculation</a> (v, cw, l, distance))</div>
<div class="line"><a id="l01072" name="l01072"></a><span class="lineno"> 1072</span>                {</div>
<div class="line"><a id="l01073" name="l01073"></a><span class="lineno"> 1073</span><span class="comment">//</span></div>
<div class="line"><a id="l01074" name="l01074"></a><span class="lineno"> 1074</span><span class="comment">// If we&#39;ve changed the cost to get to the vertex represented by &lt;w&gt;, we </span></div>
<div class="line"><a id="l01075" name="l01075"></a><span class="lineno"> 1075</span><span class="comment">// must reorder the priority queue keyed to that cost.</span></div>
<div class="line"><a id="l01076" name="l01076"></a><span class="lineno"> 1076</span><span class="comment">//</span></div>
<div class="line"><a id="l01077" name="l01077"></a><span class="lineno"> 1077</span>                  candidate.<a class="code hl_function" href="../../dd/d17/classns3_1_1_d_g_r_candidate_queue.html#a8745d6ce64bdbdc57e731025c7e78935">Reorder</a> ();</div>
<div class="line"><a id="l01078" name="l01078"></a><span class="lineno"> 1078</span>                }</div>
<div class="line"><a id="l01079" name="l01079"></a><span class="lineno"> 1079</span>            } <span class="comment">// new lower cost path found</span></div>
<div class="line"><a id="l01080" name="l01080"></a><span class="lineno"> 1080</span>        } <span class="comment">// end W is already on the candidate list</span></div>
<div class="line"><a id="l01081" name="l01081"></a><span class="lineno"> 1081</span>    } <span class="comment">// end loop over the links in V&#39;s LSA</span></div>
<div class="line"><a id="l01082" name="l01082"></a><span class="lineno"> 1082</span>}</div>
<div class="line"><a id="l01083" name="l01083"></a><span class="lineno"> 1083</span> </div>
<div class="line"><a id="l01084" name="l01084"></a><span class="lineno"> 1084</span><span class="comment">//</span></div>
<div class="line"><a id="l01085" name="l01085"></a><span class="lineno"> 1085</span><span class="comment">// This method is derived from quagga ospf_nexthop_calculation() 16.1.1.</span></div>
<div class="line"><a id="l01086" name="l01086"></a><span class="lineno"> 1086</span><span class="comment">//</span></div>
<div class="line"><a id="l01087" name="l01087"></a><span class="lineno"> 1087</span><span class="comment">// Calculate nexthop from root through V (parent) to vertex W (destination)</span></div>
<div class="line"><a id="l01088" name="l01088"></a><span class="lineno"> 1088</span><span class="comment">// with given distance from root-&gt;W.</span></div>
<div class="line"><a id="l01089" name="l01089"></a><span class="lineno"> 1089</span><span class="comment">//</span></div>
<div class="line"><a id="l01090" name="l01090"></a><span class="lineno"> 1090</span><span class="comment">// As appropriate, set w&#39;s parent, distance, and nexthop information</span></div>
<div class="line"><a id="l01091" name="l01091"></a><span class="lineno"> 1091</span><span class="comment">//</span></div>
<div class="line"><a id="l01092" name="l01092"></a><span class="lineno"> 1092</span><span class="comment">// For now, this is greatly simplified from the quagga code</span></div>
<div class="line"><a id="l01093" name="l01093"></a><span class="lineno"> 1093</span><span class="comment">//</span></div>
<div class="line"><a id="l01094" name="l01094"></a><span class="lineno"> 1094</span><span class="keywordtype">int</span></div>
<div class="line"><a id="l01095" name="l01095"></a><span class="lineno"><a class="line" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#aa10b6b58af69a3da1d8478d50e78bef8"> 1095</a></span><a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#aa10b6b58af69a3da1d8478d50e78bef8">DGRRouteManagerImpl::SPFNexthopCalculation</a> (</div>
<div class="line"><a id="l01096" name="l01096"></a><span class="lineno"> 1096</span>  <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* v, </div>
<div class="line"><a id="l01097" name="l01097"></a><span class="lineno"> 1097</span>  <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* w,</div>
<div class="line"><a id="l01098" name="l01098"></a><span class="lineno"> 1098</span>  <a class="code hl_class" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html">DGRRoutingLinkRecord</a>* l,</div>
<div class="line"><a id="l01099" name="l01099"></a><span class="lineno"> 1099</span>  uint32_t distance)</div>
<div class="line"><a id="l01100" name="l01100"></a><span class="lineno"> 1100</span>{</div>
<div class="line"><a id="l01101" name="l01101"></a><span class="lineno"> 1101</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; v &lt;&lt; w &lt;&lt; l &lt;&lt; distance);</div>
<div class="line"><a id="l01102" name="l01102"></a><span class="lineno"> 1102</span><span class="comment">//</span></div>
<div class="line"><a id="l01103" name="l01103"></a><span class="lineno"> 1103</span><span class="comment">// If w is a NetworkVertex, l should be null</span></div>
<div class="line"><a id="l01104" name="l01104"></a><span class="lineno"> 1104</span><span class="comment">/*</span></div>
<div class="line"><a id="l01105" name="l01105"></a><span class="lineno"> 1105</span><span class="comment">  if (w-&gt;GetVertexType () == DGRVertex::VertexNetwork &amp;&amp; l)</span></div>
<div class="line"><a id="l01106" name="l01106"></a><span class="lineno"> 1106</span><span class="comment">    {</span></div>
<div class="line"><a id="l01107" name="l01107"></a><span class="lineno"> 1107</span><span class="comment">        NS_ASSERT_MSG (0, &quot;Error:  SPFNexthopCalculation parameter problem&quot;);</span></div>
<div class="line"><a id="l01108" name="l01108"></a><span class="lineno"> 1108</span><span class="comment">    }</span></div>
<div class="line"><a id="l01109" name="l01109"></a><span class="lineno"> 1109</span><span class="comment">*/</span></div>
<div class="line"><a id="l01110" name="l01110"></a><span class="lineno"> 1110</span> </div>
<div class="line"><a id="l01111" name="l01111"></a><span class="lineno"> 1111</span><span class="comment">//</span></div>
<div class="line"><a id="l01112" name="l01112"></a><span class="lineno"> 1112</span><span class="comment">// The vertex m_spfroot is a distinguished vertex representing the node at</span></div>
<div class="line"><a id="l01113" name="l01113"></a><span class="lineno"> 1113</span><span class="comment">// the root of the calculations.  That is, it is the node for which we are</span></div>
<div class="line"><a id="l01114" name="l01114"></a><span class="lineno"> 1114</span><span class="comment">// calculating the routes.</span></div>
<div class="line"><a id="l01115" name="l01115"></a><span class="lineno"> 1115</span><span class="comment">//</span></div>
<div class="line"><a id="l01116" name="l01116"></a><span class="lineno"> 1116</span><span class="comment">// There are two distinct cases for calculating the next hop information.</span></div>
<div class="line"><a id="l01117" name="l01117"></a><span class="lineno"> 1117</span><span class="comment">// First, if we&#39;re considering a hop from the root to an &quot;adjacent&quot; network</span></div>
<div class="line"><a id="l01118" name="l01118"></a><span class="lineno"> 1118</span><span class="comment">// (one that is on the other side of a point-to-point link connected to the</span></div>
<div class="line"><a id="l01119" name="l01119"></a><span class="lineno"> 1119</span><span class="comment">// root), then we need to store the information needed to forward down that</span></div>
<div class="line"><a id="l01120" name="l01120"></a><span class="lineno"> 1120</span><span class="comment">// link.  The second case is if the network is not directly adjacent.  In that</span></div>
<div class="line"><a id="l01121" name="l01121"></a><span class="lineno"> 1121</span><span class="comment">// case we need to use the forwarding information from the vertex on the path</span></div>
<div class="line"><a id="l01122" name="l01122"></a><span class="lineno"> 1122</span><span class="comment">// to the destination that is directly adjacent [node 1] in both cases of the</span></div>
<div class="line"><a id="l01123" name="l01123"></a><span class="lineno"> 1123</span><span class="comment">// diagram below.</span></div>
<div class="line"><a id="l01124" name="l01124"></a><span class="lineno"> 1124</span><span class="comment">// </span></div>
<div class="line"><a id="l01125" name="l01125"></a><span class="lineno"> 1125</span><span class="comment">// (1) [root] -&gt; [point-to-point] -&gt; [node 1]</span></div>
<div class="line"><a id="l01126" name="l01126"></a><span class="lineno"> 1126</span><span class="comment">// (2) [root] -&gt; [point-to-point] -&gt; [node 1] -&gt; [point-to-point] -&gt; [node 2]</span></div>
<div class="line"><a id="l01127" name="l01127"></a><span class="lineno"> 1127</span><span class="comment">//</span></div>
<div class="line"><a id="l01128" name="l01128"></a><span class="lineno"> 1128</span><span class="comment">// We call the propagation of next hop information down vertices of a path</span></div>
<div class="line"><a id="l01129" name="l01129"></a><span class="lineno"> 1129</span><span class="comment">// &quot;inheriting&quot; the next hop information.</span></div>
<div class="line"><a id="l01130" name="l01130"></a><span class="lineno"> 1130</span><span class="comment">//</span></div>
<div class="line"><a id="l01131" name="l01131"></a><span class="lineno"> 1131</span><span class="comment">// The point-to-point link information is only useful in this calculation when</span></div>
<div class="line"><a id="l01132" name="l01132"></a><span class="lineno"> 1132</span><span class="comment">// we are examining the root node. </span></div>
<div class="line"><a id="l01133" name="l01133"></a><span class="lineno"> 1133</span><span class="comment">//</span></div>
<div class="line"><a id="l01134" name="l01134"></a><span class="lineno"> 1134</span>  <span class="keywordflow">if</span> (v == <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a51238c1122fc794564a658bf852d6910">m_spfroot</a>)</div>
<div class="line"><a id="l01135" name="l01135"></a><span class="lineno"> 1135</span>    {</div>
<div class="line"><a id="l01136" name="l01136"></a><span class="lineno"> 1136</span><span class="comment">//</span></div>
<div class="line"><a id="l01137" name="l01137"></a><span class="lineno"> 1137</span><span class="comment">// In this case &lt;v&gt; is the root node, which means it is the starting point</span></div>
<div class="line"><a id="l01138" name="l01138"></a><span class="lineno"> 1138</span><span class="comment">// for the packets forwarded by that node.  This also means that the next hop</span></div>
<div class="line"><a id="l01139" name="l01139"></a><span class="lineno"> 1139</span><span class="comment">// address of packets headed for some arbitrary off-network destination must</span></div>
<div class="line"><a id="l01140" name="l01140"></a><span class="lineno"> 1140</span><span class="comment">// be the destination at the other end of one of the links off of the root</span></div>
<div class="line"><a id="l01141" name="l01141"></a><span class="lineno"> 1141</span><span class="comment">// node if this root node is a router.  We then need to see if this node &lt;w&gt;</span></div>
<div class="line"><a id="l01142" name="l01142"></a><span class="lineno"> 1142</span><span class="comment">// is a router.</span></div>
<div class="line"><a id="l01143" name="l01143"></a><span class="lineno"> 1143</span><span class="comment">//</span></div>
<div class="line"><a id="l01144" name="l01144"></a><span class="lineno"> 1144</span>      <span class="keywordflow">if</span> (w-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5999846daefbeb25a5265e80e3f3a078">GetVertexType</a> () == <a class="code hl_enumvalue" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96ccea0d137433dfa77b24862a5f2c116da286">DGRVertex::VertexRouter</a>) </div>
<div class="line"><a id="l01145" name="l01145"></a><span class="lineno"> 1145</span>        {</div>
<div class="line"><a id="l01146" name="l01146"></a><span class="lineno"> 1146</span><span class="comment">//</span></div>
<div class="line"><a id="l01147" name="l01147"></a><span class="lineno"> 1147</span><span class="comment">// In the case of point-to-point links, the link data field (m_linkData) of a</span></div>
<div class="line"><a id="l01148" name="l01148"></a><span class="lineno"> 1148</span><span class="comment">// Global Router Link Record contains the local IP address.  If we look at the</span></div>
<div class="line"><a id="l01149" name="l01149"></a><span class="lineno"> 1149</span><span class="comment">// link record describing the link from the perspecive of &lt;w&gt; (the remote</span></div>
<div class="line"><a id="l01150" name="l01150"></a><span class="lineno"> 1150</span><span class="comment">// node from the viewpoint of &lt;v&gt;) back to the root node, we can discover the</span></div>
<div class="line"><a id="l01151" name="l01151"></a><span class="lineno"> 1151</span><span class="comment">// IP address of the router to which &lt;v&gt; is adjacent.  This is a distinguished</span></div>
<div class="line"><a id="l01152" name="l01152"></a><span class="lineno"> 1152</span><span class="comment">// address -- the next hop address to get from &lt;v&gt; to &lt;w&gt; and all networks </span></div>
<div class="line"><a id="l01153" name="l01153"></a><span class="lineno"> 1153</span><span class="comment">// accessed through that path.</span></div>
<div class="line"><a id="l01154" name="l01154"></a><span class="lineno"> 1154</span><span class="comment">//</span></div>
<div class="line"><a id="l01155" name="l01155"></a><span class="lineno"> 1155</span><span class="comment">// SPFGetNextLink () is a little odd.  used in this way it is just going to</span></div>
<div class="line"><a id="l01156" name="l01156"></a><span class="lineno"> 1156</span><span class="comment">// return the link record describing the link from &lt;w&gt; to &lt;v&gt;.  Think of it as</span></div>
<div class="line"><a id="l01157" name="l01157"></a><span class="lineno"> 1157</span><span class="comment">// SPFGetLink.</span></div>
<div class="line"><a id="l01158" name="l01158"></a><span class="lineno"> 1158</span><span class="comment">//</span></div>
<div class="line"><a id="l01159" name="l01159"></a><span class="lineno"> 1159</span>          NS_ASSERT (l);</div>
<div class="line"><a id="l01160" name="l01160"></a><span class="lineno"> 1160</span>          <a class="code hl_class" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html">DGRRoutingLinkRecord</a> *linkRemote = 0;</div>
<div class="line"><a id="l01161" name="l01161"></a><span class="lineno"> 1161</span>          linkRemote = <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a1ac857e005409b302b1bd2fb1180af0a">SPFGetNextLink</a> (w, v, linkRemote);</div>
<div class="line"><a id="l01162" name="l01162"></a><span class="lineno"> 1162</span><span class="comment">// </span></div>
<div class="line"><a id="l01163" name="l01163"></a><span class="lineno"> 1163</span><span class="comment">// At this point, &lt;l&gt; is the Global Router Link Record describing the point-</span></div>
<div class="line"><a id="l01164" name="l01164"></a><span class="lineno"> 1164</span><span class="comment">// to point link from &lt;v&gt; to &lt;w&gt; from the perspective of &lt;v&gt;; and &lt;linkRemote&gt;</span></div>
<div class="line"><a id="l01165" name="l01165"></a><span class="lineno"> 1165</span><span class="comment">// is the Global Router Link Record describing that same link from the </span></div>
<div class="line"><a id="l01166" name="l01166"></a><span class="lineno"> 1166</span><span class="comment">// perspective of &lt;w&gt; (back to &lt;v&gt;).  Now we can just copy the next hop </span></div>
<div class="line"><a id="l01167" name="l01167"></a><span class="lineno"> 1167</span><span class="comment">// address from the m_linkData member variable.</span></div>
<div class="line"><a id="l01168" name="l01168"></a><span class="lineno"> 1168</span><span class="comment">// </span></div>
<div class="line"><a id="l01169" name="l01169"></a><span class="lineno"> 1169</span><span class="comment">// The next hop member variable we put in &lt;w&gt; has the sense &quot;in order to get</span></div>
<div class="line"><a id="l01170" name="l01170"></a><span class="lineno"> 1170</span><span class="comment">// from the root node to the host represented by vertex &lt;w&gt;, you have to send</span></div>
<div class="line"><a id="l01171" name="l01171"></a><span class="lineno"> 1171</span><span class="comment">// the packet to the next hop address specified in w-&gt;m_nextHop.</span></div>
<div class="line"><a id="l01172" name="l01172"></a><span class="lineno"> 1172</span><span class="comment">//</span></div>
<div class="line"><a id="l01173" name="l01173"></a><span class="lineno"> 1173</span>          Ipv4Address nextHop = linkRemote-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a97080a8409f77898f4485230be0be5e4">GetLinkData</a> ();</div>
<div class="line"><a id="l01174" name="l01174"></a><span class="lineno"> 1174</span><span class="comment">// </span></div>
<div class="line"><a id="l01175" name="l01175"></a><span class="lineno"> 1175</span><span class="comment">// Now find the outgoing interface corresponding to the point to point link</span></div>
<div class="line"><a id="l01176" name="l01176"></a><span class="lineno"> 1176</span><span class="comment">// from the perspective of &lt;v&gt; -- remember that &lt;l&gt; is the link &quot;from&quot;</span></div>
<div class="line"><a id="l01177" name="l01177"></a><span class="lineno"> 1177</span><span class="comment">// &lt;v&gt; &quot;to&quot; &lt;w&gt;.</span></div>
<div class="line"><a id="l01178" name="l01178"></a><span class="lineno"> 1178</span><span class="comment">//</span></div>
<div class="line"><a id="l01179" name="l01179"></a><span class="lineno"> 1179</span>          uint32_t outIf = <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a017c230a5a38bc81243ebf39e94bd36b">FindOutgoingInterfaceId</a> (l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a97080a8409f77898f4485230be0be5e4">GetLinkData</a> ());</div>
<div class="line"><a id="l01180" name="l01180"></a><span class="lineno"> 1180</span> </div>
<div class="line"><a id="l01181" name="l01181"></a><span class="lineno"> 1181</span>          w-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ae9023c5885bfce6327e2f8f1f360e961">SetRootExitDirection</a> (nextHop, outIf);</div>
<div class="line"><a id="l01182" name="l01182"></a><span class="lineno"> 1182</span>          w-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4b5aa6f4683f8736530d15c60f2538a5">SetDistanceFromRoot</a> (distance);</div>
<div class="line"><a id="l01183" name="l01183"></a><span class="lineno"> 1183</span>          w-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a8ce35999d67d3028792f043c1efdf075">SetParent</a> (v);</div>
<div class="line"><a id="l01184" name="l01184"></a><span class="lineno"> 1184</span>          NS_LOG_LOGIC (<span class="stringliteral">&quot;Next hop from &quot;</span> &lt;&lt; </div>
<div class="line"><a id="l01185" name="l01185"></a><span class="lineno"> 1185</span>                        v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () &lt;&lt; <span class="stringliteral">&quot; to &quot;</span> &lt;&lt; w-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () &lt;&lt;</div>
<div class="line"><a id="l01186" name="l01186"></a><span class="lineno"> 1186</span>                        <span class="stringliteral">&quot; goes through next hop &quot;</span> &lt;&lt; nextHop &lt;&lt;</div>
<div class="line"><a id="l01187" name="l01187"></a><span class="lineno"> 1187</span>                        <span class="stringliteral">&quot; via outgoing interface &quot;</span> &lt;&lt; outIf &lt;&lt;</div>
<div class="line"><a id="l01188" name="l01188"></a><span class="lineno"> 1188</span>                        <span class="stringliteral">&quot; with distance &quot;</span> &lt;&lt; distance);</div>
<div class="line"><a id="l01189" name="l01189"></a><span class="lineno"> 1189</span>        }  <span class="comment">// end W is a router vertes</span></div>
<div class="line"><a id="l01190" name="l01190"></a><span class="lineno"> 1190</span>      <span class="keywordflow">else</span> </div>
<div class="line"><a id="l01191" name="l01191"></a><span class="lineno"> 1191</span>        {</div>
<div class="line"><a id="l01192" name="l01192"></a><span class="lineno"> 1192</span>          NS_ASSERT (w-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5999846daefbeb25a5265e80e3f3a078">GetVertexType</a> () == <a class="code hl_enumvalue" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96ccea4cb6ddc9d2395166b87840984bc01880">DGRVertex::VertexNetwork</a>);</div>
<div class="line"><a id="l01193" name="l01193"></a><span class="lineno"> 1193</span><span class="comment">// W is a directly connected network; no next hop is required</span></div>
<div class="line"><a id="l01194" name="l01194"></a><span class="lineno"> 1194</span>          <a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a>* w_lsa = w-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ();</div>
<div class="line"><a id="l01195" name="l01195"></a><span class="lineno"> 1195</span>          NS_ASSERT (w_lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#aa00b07a4d8639539e94817f98905ef19">GetLSType</a> () == <a class="code hl_enumvalue" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a38d676a01a677ff003f198d454cf0694a5d51f5653b9ddf1d8bf640932068cb85">DGRRoutingLSA::NetworkLSA</a>);</div>
<div class="line"><a id="l01196" name="l01196"></a><span class="lineno"> 1196</span><span class="comment">// Find outgoing interface ID for this network</span></div>
<div class="line"><a id="l01197" name="l01197"></a><span class="lineno"> 1197</span>          uint32_t outIf = <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a017c230a5a38bc81243ebf39e94bd36b">FindOutgoingInterfaceId</a> (w_lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">GetLinkStateId</a> (), </div>
<div class="line"><a id="l01198" name="l01198"></a><span class="lineno"> 1198</span>                                                    w_lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a3e3b9552f26b930f47dd069eaf0f3950">GetNetworkLSANetworkMask</a> () );</div>
<div class="line"><a id="l01199" name="l01199"></a><span class="lineno"> 1199</span><span class="comment">// Set the next hop to 0.0.0.0 meaning &quot;not exist&quot;</span></div>
<div class="line"><a id="l01200" name="l01200"></a><span class="lineno"> 1200</span>          Ipv4Address nextHop = Ipv4Address::GetZero ();</div>
<div class="line"><a id="l01201" name="l01201"></a><span class="lineno"> 1201</span>          w-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ae9023c5885bfce6327e2f8f1f360e961">SetRootExitDirection</a> (nextHop, outIf);</div>
<div class="line"><a id="l01202" name="l01202"></a><span class="lineno"> 1202</span>          w-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4b5aa6f4683f8736530d15c60f2538a5">SetDistanceFromRoot</a> (distance);</div>
<div class="line"><a id="l01203" name="l01203"></a><span class="lineno"> 1203</span>          w-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a8ce35999d67d3028792f043c1efdf075">SetParent</a> (v);</div>
<div class="line"><a id="l01204" name="l01204"></a><span class="lineno"> 1204</span>          NS_LOG_LOGIC (<span class="stringliteral">&quot;Next hop from &quot;</span> &lt;&lt; </div>
<div class="line"><a id="l01205" name="l01205"></a><span class="lineno"> 1205</span>                        v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () &lt;&lt; <span class="stringliteral">&quot; to network &quot;</span> &lt;&lt; w-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () &lt;&lt;</div>
<div class="line"><a id="l01206" name="l01206"></a><span class="lineno"> 1206</span>                        <span class="stringliteral">&quot; via outgoing interface &quot;</span> &lt;&lt; outIf &lt;&lt;</div>
<div class="line"><a id="l01207" name="l01207"></a><span class="lineno"> 1207</span>                        <span class="stringliteral">&quot; with distance &quot;</span> &lt;&lt; distance);</div>
<div class="line"><a id="l01208" name="l01208"></a><span class="lineno"> 1208</span>          <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l01209" name="l01209"></a><span class="lineno"> 1209</span>        }</div>
<div class="line"><a id="l01210" name="l01210"></a><span class="lineno"> 1210</span>    } <span class="comment">// end v is the root</span></div>
<div class="line"><a id="l01211" name="l01211"></a><span class="lineno"> 1211</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5999846daefbeb25a5265e80e3f3a078">GetVertexType</a> () == <a class="code hl_enumvalue" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96ccea4cb6ddc9d2395166b87840984bc01880">DGRVertex::VertexNetwork</a>) </div>
<div class="line"><a id="l01212" name="l01212"></a><span class="lineno"> 1212</span>    {</div>
<div class="line"><a id="l01213" name="l01213"></a><span class="lineno"> 1213</span><span class="comment">// See if any of v&#39;s parents are the root</span></div>
<div class="line"><a id="l01214" name="l01214"></a><span class="lineno"> 1214</span>      <span class="keywordflow">if</span> (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a6937ca725aa1a7f5284d1b75a5dfb9f8">GetParent</a> () == <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a51238c1122fc794564a658bf852d6910">m_spfroot</a>)</div>
<div class="line"><a id="l01215" name="l01215"></a><span class="lineno"> 1215</span>        {</div>
<div class="line"><a id="l01216" name="l01216"></a><span class="lineno"> 1216</span><span class="comment">// 16.1.1 para 5. ...the parent vertex is a network that</span></div>
<div class="line"><a id="l01217" name="l01217"></a><span class="lineno"> 1217</span><span class="comment">// directly connects the calculating router to the destination</span></div>
<div class="line"><a id="l01218" name="l01218"></a><span class="lineno"> 1218</span><span class="comment">// router.  The list of next hops is then determined by</span></div>
<div class="line"><a id="l01219" name="l01219"></a><span class="lineno"> 1219</span><span class="comment">// examining the destination&#39;s router-LSA...</span></div>
<div class="line"><a id="l01220" name="l01220"></a><span class="lineno"> 1220</span>          NS_ASSERT (w-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5999846daefbeb25a5265e80e3f3a078">GetVertexType</a> () == <a class="code hl_enumvalue" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96ccea0d137433dfa77b24862a5f2c116da286">DGRVertex::VertexRouter</a>);</div>
<div class="line"><a id="l01221" name="l01221"></a><span class="lineno"> 1221</span>          <a class="code hl_class" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html">DGRRoutingLinkRecord</a> *linkRemote = 0;</div>
<div class="line"><a id="l01222" name="l01222"></a><span class="lineno"> 1222</span>          <span class="keywordflow">while</span> ((linkRemote = <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a1ac857e005409b302b1bd2fb1180af0a">SPFGetNextLink</a> (w, v, linkRemote)))</div>
<div class="line"><a id="l01223" name="l01223"></a><span class="lineno"> 1223</span>            {</div>
<div class="line"><a id="l01224" name="l01224"></a><span class="lineno"> 1224</span><span class="comment">/* ...For each link in the router-LSA that points back to the</span></div>
<div class="line"><a id="l01225" name="l01225"></a><span class="lineno"> 1225</span><span class="comment"> * parent network, the link&#39;s Link Data field provides the IP</span></div>
<div class="line"><a id="l01226" name="l01226"></a><span class="lineno"> 1226</span><span class="comment"> * address of a next hop router.  The outgoing interface to</span></div>
<div class="line"><a id="l01227" name="l01227"></a><span class="lineno"> 1227</span><span class="comment"> * use can then be derived from the next hop IP address (or </span></div>
<div class="line"><a id="l01228" name="l01228"></a><span class="lineno"> 1228</span><span class="comment"> * it can be inherited from the parent network).</span></div>
<div class="line"><a id="l01229" name="l01229"></a><span class="lineno"> 1229</span><span class="comment"> */</span></div>
<div class="line"><a id="l01230" name="l01230"></a><span class="lineno"> 1230</span>              Ipv4Address nextHop = linkRemote-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a97080a8409f77898f4485230be0be5e4">GetLinkData</a> ();</div>
<div class="line"><a id="l01231" name="l01231"></a><span class="lineno"> 1231</span>              uint32_t outIf = v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a9e66f0b2ee7432156046e75672968138">GetRootExitDirection</a> ().second;</div>
<div class="line"><a id="l01232" name="l01232"></a><span class="lineno"> 1232</span>              w-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ae9023c5885bfce6327e2f8f1f360e961">SetRootExitDirection</a> (nextHop, outIf);</div>
<div class="line"><a id="l01233" name="l01233"></a><span class="lineno"> 1233</span>              NS_LOG_LOGIC (<span class="stringliteral">&quot;Next hop from &quot;</span> &lt;&lt;</div>
<div class="line"><a id="l01234" name="l01234"></a><span class="lineno"> 1234</span>                            v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () &lt;&lt; <span class="stringliteral">&quot; to &quot;</span> &lt;&lt; w-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () &lt;&lt;</div>
<div class="line"><a id="l01235" name="l01235"></a><span class="lineno"> 1235</span>                            <span class="stringliteral">&quot; goes through next hop &quot;</span> &lt;&lt; nextHop &lt;&lt;</div>
<div class="line"><a id="l01236" name="l01236"></a><span class="lineno"> 1236</span>                            <span class="stringliteral">&quot; via outgoing interface &quot;</span> &lt;&lt; outIf);</div>
<div class="line"><a id="l01237" name="l01237"></a><span class="lineno"> 1237</span>            }</div>
<div class="line"><a id="l01238" name="l01238"></a><span class="lineno"> 1238</span>        }</div>
<div class="line"><a id="l01239" name="l01239"></a><span class="lineno"> 1239</span>      <span class="keywordflow">else</span> </div>
<div class="line"><a id="l01240" name="l01240"></a><span class="lineno"> 1240</span>        {</div>
<div class="line"><a id="l01241" name="l01241"></a><span class="lineno"> 1241</span>          w-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ae9023c5885bfce6327e2f8f1f360e961">SetRootExitDirection</a> (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a9e66f0b2ee7432156046e75672968138">GetRootExitDirection</a> ());</div>
<div class="line"><a id="l01242" name="l01242"></a><span class="lineno"> 1242</span>        }</div>
<div class="line"><a id="l01243" name="l01243"></a><span class="lineno"> 1243</span>    }</div>
<div class="line"><a id="l01244" name="l01244"></a><span class="lineno"> 1244</span>  <span class="keywordflow">else</span> </div>
<div class="line"><a id="l01245" name="l01245"></a><span class="lineno"> 1245</span>    {</div>
<div class="line"><a id="l01246" name="l01246"></a><span class="lineno"> 1246</span><span class="comment">//</span></div>
<div class="line"><a id="l01247" name="l01247"></a><span class="lineno"> 1247</span><span class="comment">// If we&#39;re calculating the next hop information from a node (v) that is </span></div>
<div class="line"><a id="l01248" name="l01248"></a><span class="lineno"> 1248</span><span class="comment">// *not* the root, then we need to &quot;inherit&quot; the information needed to</span></div>
<div class="line"><a id="l01249" name="l01249"></a><span class="lineno"> 1249</span><span class="comment">// forward the packet from the vertex closer to the root.  That is, we&#39;ll</span></div>
<div class="line"><a id="l01250" name="l01250"></a><span class="lineno"> 1250</span><span class="comment">// still send packets to the next hop address of the router adjacent to the</span></div>
<div class="line"><a id="l01251" name="l01251"></a><span class="lineno"> 1251</span><span class="comment">// root on the path toward &lt;w&gt;.</span></div>
<div class="line"><a id="l01252" name="l01252"></a><span class="lineno"> 1252</span><span class="comment">//</span></div>
<div class="line"><a id="l01253" name="l01253"></a><span class="lineno"> 1253</span><span class="comment">// Above, when we were considering the root node, we calculated the next hop</span></div>
<div class="line"><a id="l01254" name="l01254"></a><span class="lineno"> 1254</span><span class="comment">// address and outgoing interface required to get off of the root network.</span></div>
<div class="line"><a id="l01255" name="l01255"></a><span class="lineno"> 1255</span><span class="comment">// At this point, we are further away from the root network along one of the</span></div>
<div class="line"><a id="l01256" name="l01256"></a><span class="lineno"> 1256</span><span class="comment">// (shortest) paths.  So the next hop and outoing interface remain the same</span></div>
<div class="line"><a id="l01257" name="l01257"></a><span class="lineno"> 1257</span><span class="comment">// (are inherited).</span></div>
<div class="line"><a id="l01258" name="l01258"></a><span class="lineno"> 1258</span><span class="comment">//</span></div>
<div class="line"><a id="l01259" name="l01259"></a><span class="lineno"> 1259</span>      w-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aacb7dfc43225f6d7eca87f103c40c526">InheritAllRootExitDirections</a> (v);</div>
<div class="line"><a id="l01260" name="l01260"></a><span class="lineno"> 1260</span>    }</div>
<div class="line"><a id="l01261" name="l01261"></a><span class="lineno"> 1261</span><span class="comment">//</span></div>
<div class="line"><a id="l01262" name="l01262"></a><span class="lineno"> 1262</span><span class="comment">// In all cases, we need valid values for the distance metric and a parent.</span></div>
<div class="line"><a id="l01263" name="l01263"></a><span class="lineno"> 1263</span><span class="comment">//</span></div>
<div class="line"><a id="l01264" name="l01264"></a><span class="lineno"> 1264</span>  w-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4b5aa6f4683f8736530d15c60f2538a5">SetDistanceFromRoot</a> (distance);</div>
<div class="line"><a id="l01265" name="l01265"></a><span class="lineno"> 1265</span>  w-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a8ce35999d67d3028792f043c1efdf075">SetParent</a> (v);</div>
<div class="line"><a id="l01266" name="l01266"></a><span class="lineno"> 1266</span> </div>
<div class="line"><a id="l01267" name="l01267"></a><span class="lineno"> 1267</span>  <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l01268" name="l01268"></a><span class="lineno"> 1268</span>}</div>
<div class="line"><a id="l01269" name="l01269"></a><span class="lineno"> 1269</span> </div>
<div class="line"><a id="l01270" name="l01270"></a><span class="lineno"> 1270</span><span class="comment">//</span></div>
<div class="line"><a id="l01271" name="l01271"></a><span class="lineno"> 1271</span><span class="comment">// This method is derived from quagga ospf_get_next_link ()</span></div>
<div class="line"><a id="l01272" name="l01272"></a><span class="lineno"> 1272</span><span class="comment">//</span></div>
<div class="line"><a id="l01273" name="l01273"></a><span class="lineno"> 1273</span><span class="comment">// First search the Global Router Link Records of vertex &lt;v&gt; for one</span></div>
<div class="line"><a id="l01274" name="l01274"></a><span class="lineno"> 1274</span><span class="comment">// representing a point-to point link to vertex &lt;w&gt;.</span></div>
<div class="line"><a id="l01275" name="l01275"></a><span class="lineno"> 1275</span><span class="comment">//</span></div>
<div class="line"><a id="l01276" name="l01276"></a><span class="lineno"> 1276</span><span class="comment">// What is done depends on prev_link.  Contrary to appearances, prev_link just</span></div>
<div class="line"><a id="l01277" name="l01277"></a><span class="lineno"> 1277</span><span class="comment">// acts as a flag here.  If prev_link is NULL, we return the first Global</span></div>
<div class="line"><a id="l01278" name="l01278"></a><span class="lineno"> 1278</span><span class="comment">// Router Link Record we find that describes a point-to-point link from &lt;v&gt; </span></div>
<div class="line"><a id="l01279" name="l01279"></a><span class="lineno"> 1279</span><span class="comment">// to &lt;w&gt;.  If prev_link is not NULL, we return a Global Router Link Record</span></div>
<div class="line"><a id="l01280" name="l01280"></a><span class="lineno"> 1280</span><span class="comment">// representing a possible *second* link from &lt;v&gt; to &lt;w&gt;.</span></div>
<div class="line"><a id="l01281" name="l01281"></a><span class="lineno"> 1281</span><span class="comment">//</span></div>
<div class="line"><a id="l01282" name="l01282"></a><span class="lineno"> 1282</span><a class="code hl_class" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html">DGRRoutingLinkRecord</a>*</div>
<div class="line"><a id="l01283" name="l01283"></a><span class="lineno"><a class="line" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a1ac857e005409b302b1bd2fb1180af0a"> 1283</a></span><a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a1ac857e005409b302b1bd2fb1180af0a">DGRRouteManagerImpl::SPFGetNextLink</a> (</div>
<div class="line"><a id="l01284" name="l01284"></a><span class="lineno"> 1284</span>  <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* v,</div>
<div class="line"><a id="l01285" name="l01285"></a><span class="lineno"> 1285</span>  <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* w,</div>
<div class="line"><a id="l01286" name="l01286"></a><span class="lineno"> 1286</span>  <a class="code hl_class" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html">DGRRoutingLinkRecord</a>* prev_link) </div>
<div class="line"><a id="l01287" name="l01287"></a><span class="lineno"> 1287</span>{</div>
<div class="line"><a id="l01288" name="l01288"></a><span class="lineno"> 1288</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; v &lt;&lt; w &lt;&lt; prev_link);</div>
<div class="line"><a id="l01289" name="l01289"></a><span class="lineno"> 1289</span> </div>
<div class="line"><a id="l01290" name="l01290"></a><span class="lineno"> 1290</span>  <span class="keywordtype">bool</span> skip = <span class="keyword">true</span>;</div>
<div class="line"><a id="l01291" name="l01291"></a><span class="lineno"> 1291</span>  <span class="keywordtype">bool</span> found_prev_link = <span class="keyword">false</span>;</div>
<div class="line"><a id="l01292" name="l01292"></a><span class="lineno"> 1292</span>  <a class="code hl_class" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html">DGRRoutingLinkRecord</a>* l;</div>
<div class="line"><a id="l01293" name="l01293"></a><span class="lineno"> 1293</span><span class="comment">//</span></div>
<div class="line"><a id="l01294" name="l01294"></a><span class="lineno"> 1294</span><span class="comment">// If prev_link is 0, we are really looking for the first link, not the next </span></div>
<div class="line"><a id="l01295" name="l01295"></a><span class="lineno"> 1295</span><span class="comment">// link.</span></div>
<div class="line"><a id="l01296" name="l01296"></a><span class="lineno"> 1296</span><span class="comment">//</span></div>
<div class="line"><a id="l01297" name="l01297"></a><span class="lineno"> 1297</span>  <span class="keywordflow">if</span> (prev_link == 0)</div>
<div class="line"><a id="l01298" name="l01298"></a><span class="lineno"> 1298</span>    {</div>
<div class="line"><a id="l01299" name="l01299"></a><span class="lineno"> 1299</span>      skip = <span class="keyword">false</span>;</div>
<div class="line"><a id="l01300" name="l01300"></a><span class="lineno"> 1300</span>      found_prev_link = <span class="keyword">true</span>;</div>
<div class="line"><a id="l01301" name="l01301"></a><span class="lineno"> 1301</span>    }</div>
<div class="line"><a id="l01302" name="l01302"></a><span class="lineno"> 1302</span><span class="comment">//</span></div>
<div class="line"><a id="l01303" name="l01303"></a><span class="lineno"> 1303</span><span class="comment">// Iterate through the Global Router Link Records advertised by the vertex</span></div>
<div class="line"><a id="l01304" name="l01304"></a><span class="lineno"> 1304</span><span class="comment">// &lt;v&gt; looking for records representing the point-to-point links off of this</span></div>
<div class="line"><a id="l01305" name="l01305"></a><span class="lineno"> 1305</span><span class="comment">// vertex.</span></div>
<div class="line"><a id="l01306" name="l01306"></a><span class="lineno"> 1306</span><span class="comment">//</span></div>
<div class="line"><a id="l01307" name="l01307"></a><span class="lineno"> 1307</span>  <span class="keywordflow">for</span> (uint32_t <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> = 0; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt; v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ()-&gt;GetNLinkRecords (); ++<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>)</div>
<div class="line"><a id="l01308" name="l01308"></a><span class="lineno"> 1308</span>    {</div>
<div class="line"><a id="l01309" name="l01309"></a><span class="lineno"> 1309</span>      l = v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ()-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#acb5df9fec863df510911aa3e64d4aa04">GetLinkRecord</a> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>);</div>
<div class="line"><a id="l01310" name="l01310"></a><span class="lineno"> 1310</span><span class="comment">//</span></div>
<div class="line"><a id="l01311" name="l01311"></a><span class="lineno"> 1311</span><span class="comment">// The link ID of a link record representing a point-to-point link is set to</span></div>
<div class="line"><a id="l01312" name="l01312"></a><span class="lineno"> 1312</span><span class="comment">// the router ID of the neighboring router -- the router to which the link</span></div>
<div class="line"><a id="l01313" name="l01313"></a><span class="lineno"> 1313</span><span class="comment">// connects from the perspective of &lt;v&gt; in this case.  The vertex ID is also</span></div>
<div class="line"><a id="l01314" name="l01314"></a><span class="lineno"> 1314</span><span class="comment">// set to the router ID (using the link state advertisement of a router node).</span></div>
<div class="line"><a id="l01315" name="l01315"></a><span class="lineno"> 1315</span><span class="comment">// We&#39;re just checking to see if the link &lt;l&gt; is actually the link from &lt;v&gt; to</span></div>
<div class="line"><a id="l01316" name="l01316"></a><span class="lineno"> 1316</span><span class="comment">// &lt;w&gt;.</span></div>
<div class="line"><a id="l01317" name="l01317"></a><span class="lineno"> 1317</span><span class="comment">//</span></div>
<div class="line"><a id="l01318" name="l01318"></a><span class="lineno"> 1318</span>      <span class="keywordflow">if</span> (l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a9fe6e135674ef321bc11b48f90071857">GetLinkId</a> () == w-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> ()) </div>
<div class="line"><a id="l01319" name="l01319"></a><span class="lineno"> 1319</span>        {</div>
<div class="line"><a id="l01320" name="l01320"></a><span class="lineno"> 1320</span>          <span class="keywordflow">if</span> (!found_prev_link)</div>
<div class="line"><a id="l01321" name="l01321"></a><span class="lineno"> 1321</span>            {</div>
<div class="line"><a id="l01322" name="l01322"></a><span class="lineno"> 1322</span>              NS_LOG_LOGIC (<span class="stringliteral">&quot;Skipping links before prev_link found&quot;</span>);</div>
<div class="line"><a id="l01323" name="l01323"></a><span class="lineno"> 1323</span>              found_prev_link = <span class="keyword">true</span>;</div>
<div class="line"><a id="l01324" name="l01324"></a><span class="lineno"> 1324</span>              <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l01325" name="l01325"></a><span class="lineno"> 1325</span>            }</div>
<div class="line"><a id="l01326" name="l01326"></a><span class="lineno"> 1326</span> </div>
<div class="line"><a id="l01327" name="l01327"></a><span class="lineno"> 1327</span>          NS_LOG_LOGIC (<span class="stringliteral">&quot;Found matching link l:  linkId = &quot;</span> &lt;&lt;</div>
<div class="line"><a id="l01328" name="l01328"></a><span class="lineno"> 1328</span>                        l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a9fe6e135674ef321bc11b48f90071857">GetLinkId</a> () &lt;&lt; <span class="stringliteral">&quot; linkData = &quot;</span> &lt;&lt; l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a97080a8409f77898f4485230be0be5e4">GetLinkData</a> ());</div>
<div class="line"><a id="l01329" name="l01329"></a><span class="lineno"> 1329</span><span class="comment">//</span></div>
<div class="line"><a id="l01330" name="l01330"></a><span class="lineno"> 1330</span><span class="comment">// If skip is false, don&#39;t (not too surprisingly) skip the link found -- it&#39;s </span></div>
<div class="line"><a id="l01331" name="l01331"></a><span class="lineno"> 1331</span><span class="comment">// the one we&#39;re interested in.  That&#39;s either because we didn&#39;t pass in a </span></div>
<div class="line"><a id="l01332" name="l01332"></a><span class="lineno"> 1332</span><span class="comment">// previous link, and we&#39;re interested in the first one, or because we&#39;ve </span></div>
<div class="line"><a id="l01333" name="l01333"></a><span class="lineno"> 1333</span><span class="comment">// skipped a previous link and moved forward to the next (which is then the</span></div>
<div class="line"><a id="l01334" name="l01334"></a><span class="lineno"> 1334</span><span class="comment">// one we want).</span></div>
<div class="line"><a id="l01335" name="l01335"></a><span class="lineno"> 1335</span><span class="comment">//</span></div>
<div class="line"><a id="l01336" name="l01336"></a><span class="lineno"> 1336</span>          <span class="keywordflow">if</span> (skip == <span class="keyword">false</span>)</div>
<div class="line"><a id="l01337" name="l01337"></a><span class="lineno"> 1337</span>            {</div>
<div class="line"><a id="l01338" name="l01338"></a><span class="lineno"> 1338</span>              NS_LOG_LOGIC (<span class="stringliteral">&quot;Returning the found link&quot;</span>);</div>
<div class="line"><a id="l01339" name="l01339"></a><span class="lineno"> 1339</span>              <span class="keywordflow">return</span> l;</div>
<div class="line"><a id="l01340" name="l01340"></a><span class="lineno"> 1340</span>            }</div>
<div class="line"><a id="l01341" name="l01341"></a><span class="lineno"> 1341</span>          <span class="keywordflow">else</span></div>
<div class="line"><a id="l01342" name="l01342"></a><span class="lineno"> 1342</span>            {</div>
<div class="line"><a id="l01343" name="l01343"></a><span class="lineno"> 1343</span><span class="comment">//</span></div>
<div class="line"><a id="l01344" name="l01344"></a><span class="lineno"> 1344</span><span class="comment">// Skip is true and we&#39;ve found a link from &lt;v&gt; to &lt;w&gt;.  We want the next one.</span></div>
<div class="line"><a id="l01345" name="l01345"></a><span class="lineno"> 1345</span><span class="comment">// Setting skip to false gets us the next point-to-point global router link</span></div>
<div class="line"><a id="l01346" name="l01346"></a><span class="lineno"> 1346</span><span class="comment">// record in the LSA from &lt;v&gt;.</span></div>
<div class="line"><a id="l01347" name="l01347"></a><span class="lineno"> 1347</span><span class="comment">//</span></div>
<div class="line"><a id="l01348" name="l01348"></a><span class="lineno"> 1348</span>              NS_LOG_LOGIC (<span class="stringliteral">&quot;Skipping the found link&quot;</span>);</div>
<div class="line"><a id="l01349" name="l01349"></a><span class="lineno"> 1349</span>              skip = <span class="keyword">false</span>;</div>
<div class="line"><a id="l01350" name="l01350"></a><span class="lineno"> 1350</span>              <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l01351" name="l01351"></a><span class="lineno"> 1351</span>            }</div>
<div class="line"><a id="l01352" name="l01352"></a><span class="lineno"> 1352</span>        }</div>
<div class="line"><a id="l01353" name="l01353"></a><span class="lineno"> 1353</span>    }</div>
<div class="line"><a id="l01354" name="l01354"></a><span class="lineno"> 1354</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l01355" name="l01355"></a><span class="lineno"> 1355</span>}</div>
<div class="line"><a id="l01356" name="l01356"></a><span class="lineno"> 1356</span> </div>
<div class="line"><a id="l01357" name="l01357"></a><span class="lineno"> 1357</span><span class="comment">//</span></div>
<div class="line"><a id="l01358" name="l01358"></a><span class="lineno"> 1358</span><span class="comment">// Used for unit tests.</span></div>
<div class="line"><a id="l01359" name="l01359"></a><span class="lineno"> 1359</span><span class="comment">//</span></div>
<div class="line"><a id="l01360" name="l01360"></a><span class="lineno"> 1360</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l01361" name="l01361"></a><span class="lineno"><a class="line" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a14aed0c12cb59dcdc7eaaf14c8b54ea4"> 1361</a></span><a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a14aed0c12cb59dcdc7eaaf14c8b54ea4">DGRRouteManagerImpl::DebugSPFCalculate</a> (Ipv4Address root)</div>
<div class="line"><a id="l01362" name="l01362"></a><span class="lineno"> 1362</span>{</div>
<div class="line"><a id="l01363" name="l01363"></a><span class="lineno"> 1363</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; root);</div>
<div class="line"><a id="l01364" name="l01364"></a><span class="lineno"> 1364</span>  <span class="comment">// SPFCalculate (root, 1, 1);</span></div>
<div class="line"><a id="l01365" name="l01365"></a><span class="lineno"> 1365</span>}</div>
<div class="line"><a id="l01366" name="l01366"></a><span class="lineno"> 1366</span> </div>
<div class="line"><a id="l01367" name="l01367"></a><span class="lineno"> 1367</span><span class="comment">//</span></div>
<div class="line"><a id="l01368" name="l01368"></a><span class="lineno"> 1368</span><span class="comment">// Used to test if a node is a stub, from an OSPF sense.</span></div>
<div class="line"><a id="l01369" name="l01369"></a><span class="lineno"> 1369</span><span class="comment">// If there is only one link of type 1 or 2, then a default route</span></div>
<div class="line"><a id="l01370" name="l01370"></a><span class="lineno"> 1370</span><span class="comment">// can safely be added to the next-hop router and SPF does not need</span></div>
<div class="line"><a id="l01371" name="l01371"></a><span class="lineno"> 1371</span><span class="comment">// to be run</span></div>
<div class="line"><a id="l01372" name="l01372"></a><span class="lineno"> 1372</span><span class="comment">//</span></div>
<div class="line"><a id="l01373" name="l01373"></a><span class="lineno"> 1373</span><span class="keywordtype">bool</span></div>
<div class="line"><a id="l01374" name="l01374"></a><span class="lineno"><a class="line" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a1f608c8ac5a62f915208141c2d7bea22"> 1374</a></span><a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a1f608c8ac5a62f915208141c2d7bea22">DGRRouteManagerImpl::CheckForStubNode</a> (Ipv4Address root)</div>
<div class="line"><a id="l01375" name="l01375"></a><span class="lineno"> 1375</span>{</div>
<div class="line"><a id="l01376" name="l01376"></a><span class="lineno"> 1376</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; root);</div>
<div class="line"><a id="l01377" name="l01377"></a><span class="lineno"> 1377</span>  <a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a> *rlsa = <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a>-&gt;<a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a232013c41890eb75496e0201fd0689d2">GetLSA</a> (root);</div>
<div class="line"><a id="l01378" name="l01378"></a><span class="lineno"> 1378</span>  Ipv4Address myRouterId = rlsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">GetLinkStateId</a> ();</div>
<div class="line"><a id="l01379" name="l01379"></a><span class="lineno"> 1379</span>  <span class="keywordtype">int</span> transits = 0;</div>
<div class="line"><a id="l01380" name="l01380"></a><span class="lineno"> 1380</span>  <a class="code hl_class" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html">DGRRoutingLinkRecord</a> *transitLink = 0;</div>
<div class="line"><a id="l01381" name="l01381"></a><span class="lineno"> 1381</span>  <span class="keywordflow">for</span> (uint32_t <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> = 0; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt; rlsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a882a042d18bcbdea3bc1a3eb55dcfe58">GetNLinkRecords</a> (); <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l01382" name="l01382"></a><span class="lineno"> 1382</span>    {</div>
<div class="line"><a id="l01383" name="l01383"></a><span class="lineno"> 1383</span>      <a class="code hl_class" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html">DGRRoutingLinkRecord</a> *l = rlsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#acb5df9fec863df510911aa3e64d4aa04">GetLinkRecord</a> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>);</div>
<div class="line"><a id="l01384" name="l01384"></a><span class="lineno"> 1384</span>      <span class="keywordflow">if</span> (l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#ab9148eaf7a9d088a397e66164c1f30b9">GetLinkType</a> () == <a class="code hl_enumvalue" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a93b89b9f89407a39712186911ad12a4baa0b0a272a289d2f1fcafdfedcde669b7">DGRRoutingLinkRecord::TransitNetwork</a>)</div>
<div class="line"><a id="l01385" name="l01385"></a><span class="lineno"> 1385</span>        {</div>
<div class="line"><a id="l01386" name="l01386"></a><span class="lineno"> 1386</span>          transits++;</div>
<div class="line"><a id="l01387" name="l01387"></a><span class="lineno"> 1387</span>          transitLink = l;</div>
<div class="line"><a id="l01388" name="l01388"></a><span class="lineno"> 1388</span>        }</div>
<div class="line"><a id="l01389" name="l01389"></a><span class="lineno"> 1389</span>      <span class="keywordflow">else</span> <span class="keywordflow">if</span> (l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#ab9148eaf7a9d088a397e66164c1f30b9">GetLinkType</a> () == <a class="code hl_enumvalue" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a93b89b9f89407a39712186911ad12a4bac9c0a2d3da9eb9fdafee93e52a498c84">DGRRoutingLinkRecord::PointToPoint</a>)</div>
<div class="line"><a id="l01390" name="l01390"></a><span class="lineno"> 1390</span>        {</div>
<div class="line"><a id="l01391" name="l01391"></a><span class="lineno"> 1391</span>          transits++;</div>
<div class="line"><a id="l01392" name="l01392"></a><span class="lineno"> 1392</span>          transitLink = l;</div>
<div class="line"><a id="l01393" name="l01393"></a><span class="lineno"> 1393</span>        }</div>
<div class="line"><a id="l01394" name="l01394"></a><span class="lineno"> 1394</span>    }</div>
<div class="line"><a id="l01395" name="l01395"></a><span class="lineno"> 1395</span>  <span class="keywordflow">if</span> (transits == 0)</div>
<div class="line"><a id="l01396" name="l01396"></a><span class="lineno"> 1396</span>    {</div>
<div class="line"><a id="l01397" name="l01397"></a><span class="lineno"> 1397</span>      <span class="comment">// This router is not connected to any router.  Probably, global</span></div>
<div class="line"><a id="l01398" name="l01398"></a><span class="lineno"> 1398</span>      <span class="comment">// routing should not be called for this node, but we can just raise</span></div>
<div class="line"><a id="l01399" name="l01399"></a><span class="lineno"> 1399</span>      <span class="comment">// a warning here and return true.</span></div>
<div class="line"><a id="l01400" name="l01400"></a><span class="lineno"> 1400</span>      NS_LOG_WARN (<span class="stringliteral">&quot;all nodes should have at least one transit link:&quot;</span> &lt;&lt; root );</div>
<div class="line"><a id="l01401" name="l01401"></a><span class="lineno"> 1401</span>      <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l01402" name="l01402"></a><span class="lineno"> 1402</span>    }</div>
<div class="line"><a id="l01403" name="l01403"></a><span class="lineno"> 1403</span>  <span class="keywordflow">if</span> (transits == 1)</div>
<div class="line"><a id="l01404" name="l01404"></a><span class="lineno"> 1404</span>    {</div>
<div class="line"><a id="l01405" name="l01405"></a><span class="lineno"> 1405</span>      <span class="keywordflow">if</span> (transitLink-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#ab9148eaf7a9d088a397e66164c1f30b9">GetLinkType</a> () == <a class="code hl_enumvalue" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a93b89b9f89407a39712186911ad12a4baa0b0a272a289d2f1fcafdfedcde669b7">DGRRoutingLinkRecord::TransitNetwork</a>)</div>
<div class="line"><a id="l01406" name="l01406"></a><span class="lineno"> 1406</span>        {</div>
<div class="line"><a id="l01407" name="l01407"></a><span class="lineno"> 1407</span>          <span class="comment">// Install default route to next hop router</span></div>
<div class="line"><a id="l01408" name="l01408"></a><span class="lineno"> 1408</span>          <span class="comment">// What is the next hop?  We need to check all neighbors on the link.</span></div>
<div class="line"><a id="l01409" name="l01409"></a><span class="lineno"> 1409</span>          <span class="comment">// If there is a single router that has two transit links, then</span></div>
<div class="line"><a id="l01410" name="l01410"></a><span class="lineno"> 1410</span>          <span class="comment">// that is the default next hop.  If there are more than one</span></div>
<div class="line"><a id="l01411" name="l01411"></a><span class="lineno"> 1411</span>          <span class="comment">// routers on link with multiple transit links, return false.</span></div>
<div class="line"><a id="l01412" name="l01412"></a><span class="lineno"> 1412</span>          <span class="comment">// Not yet implemented, so simply return false</span></div>
<div class="line"><a id="l01413" name="l01413"></a><span class="lineno"> 1413</span>          NS_LOG_LOGIC (<span class="stringliteral">&quot;TBD: Would have inserted default for transit&quot;</span>);</div>
<div class="line"><a id="l01414" name="l01414"></a><span class="lineno"> 1414</span>          <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l01415" name="l01415"></a><span class="lineno"> 1415</span>        }</div>
<div class="line"><a id="l01416" name="l01416"></a><span class="lineno"> 1416</span>      <span class="keywordflow">else</span> <span class="keywordflow">if</span> (transitLink-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#ab9148eaf7a9d088a397e66164c1f30b9">GetLinkType</a> () == <a class="code hl_enumvalue" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a93b89b9f89407a39712186911ad12a4bac9c0a2d3da9eb9fdafee93e52a498c84">DGRRoutingLinkRecord::PointToPoint</a>)</div>
<div class="line"><a id="l01417" name="l01417"></a><span class="lineno"> 1417</span>        {</div>
<div class="line"><a id="l01418" name="l01418"></a><span class="lineno"> 1418</span>          <span class="comment">// Install default route to next hop</span></div>
<div class="line"><a id="l01419" name="l01419"></a><span class="lineno"> 1419</span>          <span class="comment">// The link record LinkID is the router ID of the peer.</span></div>
<div class="line"><a id="l01420" name="l01420"></a><span class="lineno"> 1420</span>          <span class="comment">// The Link Data is the local IP interface address</span></div>
<div class="line"><a id="l01421" name="l01421"></a><span class="lineno"> 1421</span>          <a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a> *w_lsa = <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a>-&gt;<a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a232013c41890eb75496e0201fd0689d2">GetLSA</a> (transitLink-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a9fe6e135674ef321bc11b48f90071857">GetLinkId</a> ());</div>
<div class="line"><a id="l01422" name="l01422"></a><span class="lineno"> 1422</span>          uint32_t nLinkRecords = w_lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a882a042d18bcbdea3bc1a3eb55dcfe58">GetNLinkRecords</a> ();</div>
<div class="line"><a id="l01423" name="l01423"></a><span class="lineno"> 1423</span>          <span class="keywordflow">for</span> (uint32_t j = 0; j &lt; nLinkRecords; ++j)</div>
<div class="line"><a id="l01424" name="l01424"></a><span class="lineno"> 1424</span>            {</div>
<div class="line"><a id="l01425" name="l01425"></a><span class="lineno"> 1425</span>              <span class="comment">//</span></div>
<div class="line"><a id="l01426" name="l01426"></a><span class="lineno"> 1426</span>              <span class="comment">// We are only concerned about point-to-point links</span></div>
<div class="line"><a id="l01427" name="l01427"></a><span class="lineno"> 1427</span>              <span class="comment">//</span></div>
<div class="line"><a id="l01428" name="l01428"></a><span class="lineno"> 1428</span>              <a class="code hl_class" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html">DGRRoutingLinkRecord</a> *lr = w_lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#acb5df9fec863df510911aa3e64d4aa04">GetLinkRecord</a> (j);</div>
<div class="line"><a id="l01429" name="l01429"></a><span class="lineno"> 1429</span>              <span class="keywordflow">if</span> (lr-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#ab9148eaf7a9d088a397e66164c1f30b9">GetLinkType</a> () != <a class="code hl_enumvalue" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a93b89b9f89407a39712186911ad12a4bac9c0a2d3da9eb9fdafee93e52a498c84">DGRRoutingLinkRecord::PointToPoint</a>)</div>
<div class="line"><a id="l01430" name="l01430"></a><span class="lineno"> 1430</span>                {</div>
<div class="line"><a id="l01431" name="l01431"></a><span class="lineno"> 1431</span>                  <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l01432" name="l01432"></a><span class="lineno"> 1432</span>                }</div>
<div class="line"><a id="l01433" name="l01433"></a><span class="lineno"> 1433</span>              <span class="comment">// Find the link record that corresponds to our routerId</span></div>
<div class="line"><a id="l01434" name="l01434"></a><span class="lineno"> 1434</span>              <span class="keywordflow">if</span> (lr-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a9fe6e135674ef321bc11b48f90071857">GetLinkId</a> () == myRouterId)</div>
<div class="line"><a id="l01435" name="l01435"></a><span class="lineno"> 1435</span>                {</div>
<div class="line"><a id="l01436" name="l01436"></a><span class="lineno"> 1436</span>                  <span class="comment">// Next hop is stored in the LinkID field of lr</span></div>
<div class="line"><a id="l01437" name="l01437"></a><span class="lineno"> 1437</span>                  Ptr&lt;DGRRouter&gt; router = rlsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a5000c59488a04e9b809574c93624d3ce">GetNode</a> ()-&gt;GetObject&lt;<a class="code hl_class" href="../../d0/d56/classns3_1_1_d_g_r_router.html">DGRRouter</a>&gt; ();</div>
<div class="line"><a id="l01438" name="l01438"></a><span class="lineno"> 1438</span>                  NS_ASSERT (router);</div>
<div class="line"><a id="l01439" name="l01439"></a><span class="lineno"> 1439</span>                  Ptr&lt;Ipv4DGRRouting&gt; gr = router-&gt;GetRoutingProtocol ();</div>
<div class="line"><a id="l01440" name="l01440"></a><span class="lineno"> 1440</span>                  NS_ASSERT (gr);</div>
<div class="line"><a id="l01441" name="l01441"></a><span class="lineno"> 1441</span>                  gr-&gt;AddNetworkRouteTo (Ipv4Address (<span class="stringliteral">&quot;0.0.0.0&quot;</span>), Ipv4Mask (<span class="stringliteral">&quot;0.0.0.0&quot;</span>), lr-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a97080a8409f77898f4485230be0be5e4">GetLinkData</a> (), </div>
<div class="line"><a id="l01442" name="l01442"></a><span class="lineno"> 1442</span>                                         <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a017c230a5a38bc81243ebf39e94bd36b">FindOutgoingInterfaceId</a> (transitLink-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a97080a8409f77898f4485230be0be5e4">GetLinkData</a> ()));</div>
<div class="line"><a id="l01443" name="l01443"></a><span class="lineno"> 1443</span>                  NS_LOG_LOGIC (<span class="stringliteral">&quot;Inserting default route for node &quot;</span> &lt;&lt; myRouterId &lt;&lt; <span class="stringliteral">&quot; to next hop &quot;</span> &lt;&lt; </div>
<div class="line"><a id="l01444" name="l01444"></a><span class="lineno"> 1444</span>                                lr-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a97080a8409f77898f4485230be0be5e4">GetLinkData</a> () &lt;&lt; <span class="stringliteral">&quot; via interface &quot;</span> &lt;&lt; </div>
<div class="line"><a id="l01445" name="l01445"></a><span class="lineno"> 1445</span>                                <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a017c230a5a38bc81243ebf39e94bd36b">FindOutgoingInterfaceId</a> (transitLink-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a97080a8409f77898f4485230be0be5e4">GetLinkData</a> ()));</div>
<div class="line"><a id="l01446" name="l01446"></a><span class="lineno"> 1446</span>                  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l01447" name="l01447"></a><span class="lineno"> 1447</span>                }</div>
<div class="line"><a id="l01448" name="l01448"></a><span class="lineno"> 1448</span>            }</div>
<div class="line"><a id="l01449" name="l01449"></a><span class="lineno"> 1449</span>        }</div>
<div class="line"><a id="l01450" name="l01450"></a><span class="lineno"> 1450</span>    }</div>
<div class="line"><a id="l01451" name="l01451"></a><span class="lineno"> 1451</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l01452" name="l01452"></a><span class="lineno"> 1452</span>}</div>
<div class="line"><a id="l01453" name="l01453"></a><span class="lineno"> 1453</span> </div>
<div class="line"><a id="l01454" name="l01454"></a><span class="lineno"> 1454</span><span class="comment">// quagga ospf_spf_calculate</span></div>
<div class="line"><a id="l01455" name="l01455"></a><span class="lineno"> 1455</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l01456" name="l01456"></a><span class="lineno"><a class="line" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a910c2efcc40a79d4c062eb08ceb11522"> 1456</a></span><a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a910c2efcc40a79d4c062eb08ceb11522">DGRRouteManagerImpl::SPFCalculate</a> (Ipv4Address root, Ipv4Address initroot, <a class="code hl_class" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html">DGRRoutingLinkRecord</a>* l, uint32_t Iface)</div>
<div class="line"><a id="l01457" name="l01457"></a><span class="lineno"> 1457</span>{</div>
<div class="line"><a id="l01458" name="l01458"></a><span class="lineno"> 1458</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; root);</div>
<div class="line"><a id="l01459" name="l01459"></a><span class="lineno"> 1459</span>  <span class="comment">// std::cout &lt;&lt; &quot;The interface = &quot; &lt;&lt; Iface &lt;&lt; std::endl;</span></div>
<div class="line"><a id="l01460" name="l01460"></a><span class="lineno"> 1460</span>  <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a> *v;</div>
<div class="line"><a id="l01461" name="l01461"></a><span class="lineno"> 1461</span><span class="comment">//</span></div>
<div class="line"><a id="l01462" name="l01462"></a><span class="lineno"> 1462</span><span class="comment">// Initialize the Link State Database.</span></div>
<div class="line"><a id="l01463" name="l01463"></a><span class="lineno"> 1463</span><span class="comment">//</span></div>
<div class="line"><a id="l01464" name="l01464"></a><span class="lineno"> 1464</span>  <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a>-&gt;<a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a4cc94fab7e7699bd3b73e3e1bd874875">Initialize</a> ();</div>
<div class="line"><a id="l01465" name="l01465"></a><span class="lineno"> 1465</span><span class="comment">//</span></div>
<div class="line"><a id="l01466" name="l01466"></a><span class="lineno"> 1466</span><span class="comment">// The candidate queue is a priority queue of DGRVertex objects, with the top</span></div>
<div class="line"><a id="l01467" name="l01467"></a><span class="lineno"> 1467</span><span class="comment">// of the queue being the closest vertex in terms of distance from the root</span></div>
<div class="line"><a id="l01468" name="l01468"></a><span class="lineno"> 1468</span><span class="comment">// of the tree.  Initially, this queue is empty.</span></div>
<div class="line"><a id="l01469" name="l01469"></a><span class="lineno"> 1469</span><span class="comment">//</span></div>
<div class="line"><a id="l01470" name="l01470"></a><span class="lineno"> 1470</span>  <a class="code hl_class" href="../../dd/d17/classns3_1_1_d_g_r_candidate_queue.html">DGRCandidateQueue</a> candidate;</div>
<div class="line"><a id="l01471" name="l01471"></a><span class="lineno"> 1471</span>  NS_ASSERT (candidate.<a class="code hl_function" href="../../dd/d17/classns3_1_1_d_g_r_candidate_queue.html#abdb46ac92a797d66c0a08f646f6637f5">Size</a> () == 0);</div>
<div class="line"><a id="l01472" name="l01472"></a><span class="lineno"> 1472</span><span class="comment">//</span></div>
<div class="line"><a id="l01473" name="l01473"></a><span class="lineno"> 1473</span><span class="comment">// Initialize the shortest-path tree to only contain the router doing the </span></div>
<div class="line"><a id="l01474" name="l01474"></a><span class="lineno"> 1474</span><span class="comment">// calculation.  Each router (and corresponding network) is a vertex in the</span></div>
<div class="line"><a id="l01475" name="l01475"></a><span class="lineno"> 1475</span><span class="comment">// shortest path first (SPF) tree.</span></div>
<div class="line"><a id="l01476" name="l01476"></a><span class="lineno"> 1476</span><span class="comment">//</span></div>
<div class="line"><a id="l01477" name="l01477"></a><span class="lineno"> 1477</span>  v = <span class="keyword">new</span> <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a> (<a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a>-&gt;<a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a232013c41890eb75496e0201fd0689d2">GetLSA</a> (root));</div>
<div class="line"><a id="l01478" name="l01478"></a><span class="lineno"> 1478</span> </div>
<div class="line"><a id="l01483" name="l01483"></a><span class="lineno"> 1483</span>  <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a> *v_init;</div>
<div class="line"><a id="l01484" name="l01484"></a><span class="lineno"> 1484</span>  v_init = <span class="keyword">new</span> <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a> (<a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a>-&gt;<a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a232013c41890eb75496e0201fd0689d2">GetLSA</a> (initroot));</div>
<div class="line"><a id="l01485" name="l01485"></a><span class="lineno"> 1485</span>  v_init-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ()-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a497453d1271c0020968487ec8ead99c5">SetStatus</a> (<a class="code hl_enumvalue" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a2d6cf227cde572e9c99d273a0e0fa5f7a0f88fe6c9e38275dc638a9ebb26018a2">DGRRoutingLSA::LSA_SPF_IN_SPFTREE</a>);</div>
<div class="line"><a id="l01486" name="l01486"></a><span class="lineno"> 1486</span><span class="comment">// </span></div>
<div class="line"><a id="l01487" name="l01487"></a><span class="lineno"> 1487</span><span class="comment">// This vertex is the root of the SPF tree and it is distance 0 from the root.</span></div>
<div class="line"><a id="l01488" name="l01488"></a><span class="lineno"> 1488</span><span class="comment">// We also mark this vertex as being in the SPF tree.</span></div>
<div class="line"><a id="l01489" name="l01489"></a><span class="lineno"> 1489</span><span class="comment">//</span></div>
<div class="line"><a id="l01490" name="l01490"></a><span class="lineno"> 1490</span>  <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a51238c1122fc794564a658bf852d6910">m_spfroot</a>= v;</div>
<div class="line"><a id="l01491" name="l01491"></a><span class="lineno"> 1491</span>  v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4b5aa6f4683f8736530d15c60f2538a5">SetDistanceFromRoot</a> (l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#af96cb9a05b3d95d14b6af29e058e3712">GetMetric</a> ());</div>
<div class="line"><a id="l01492" name="l01492"></a><span class="lineno"> 1492</span>  v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ()-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a497453d1271c0020968487ec8ead99c5">SetStatus</a> (<a class="code hl_enumvalue" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a2d6cf227cde572e9c99d273a0e0fa5f7a0f88fe6c9e38275dc638a9ebb26018a2">DGRRoutingLSA::LSA_SPF_IN_SPFTREE</a>);</div>
<div class="line"><a id="l01493" name="l01493"></a><span class="lineno"> 1493</span>  NS_LOG_LOGIC (<span class="stringliteral">&quot;Starting SPFCalculate for node &quot;</span> &lt;&lt; root);</div>
<div class="line"><a id="l01494" name="l01494"></a><span class="lineno"> 1494</span> </div>
<div class="line"><a id="l01495" name="l01495"></a><span class="lineno"> 1495</span><span class="comment">//</span></div>
<div class="line"><a id="l01496" name="l01496"></a><span class="lineno"> 1496</span><span class="comment">// Optimize SPF calculation, for ns-3.</span></div>
<div class="line"><a id="l01497" name="l01497"></a><span class="lineno"> 1497</span><span class="comment">// We do not need to calculate SPF for every node in the network if this</span></div>
<div class="line"><a id="l01498" name="l01498"></a><span class="lineno"> 1498</span><span class="comment">// node has only one interface through which another router can be </span></div>
<div class="line"><a id="l01499" name="l01499"></a><span class="lineno"> 1499</span><span class="comment">// reached.  Instead, short-circuit this computation and just install</span></div>
<div class="line"><a id="l01500" name="l01500"></a><span class="lineno"> 1500</span><span class="comment">// a default route in the CheckForStubNode() method.</span></div>
<div class="line"><a id="l01501" name="l01501"></a><span class="lineno"> 1501</span><span class="comment">//</span></div>
<div class="line"><a id="l01502" name="l01502"></a><span class="lineno"> 1502</span>  <span class="keywordflow">if</span> (NodeList::GetNNodes () &gt; 0 &amp;&amp; <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a1f608c8ac5a62f915208141c2d7bea22">CheckForStubNode</a> (root))</div>
<div class="line"><a id="l01503" name="l01503"></a><span class="lineno"> 1503</span>    {</div>
<div class="line"><a id="l01504" name="l01504"></a><span class="lineno"> 1504</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;SPFCalculate truncated for stub node &quot;</span> &lt;&lt; root);</div>
<div class="line"><a id="l01505" name="l01505"></a><span class="lineno"> 1505</span>      <span class="keyword">delete</span> <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a51238c1122fc794564a658bf852d6910">m_spfroot</a>;</div>
<div class="line"><a id="l01506" name="l01506"></a><span class="lineno"> 1506</span>      <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l01507" name="l01507"></a><span class="lineno"> 1507</span>    }</div>
<div class="line"><a id="l01508" name="l01508"></a><span class="lineno"> 1508</span> </div>
<div class="line"><a id="l01509" name="l01509"></a><span class="lineno"> 1509</span>  <span class="keywordflow">for</span> (;;)</div>
<div class="line"><a id="l01510" name="l01510"></a><span class="lineno"> 1510</span>    {</div>
<div class="line"><a id="l01511" name="l01511"></a><span class="lineno"> 1511</span><span class="comment">//</span></div>
<div class="line"><a id="l01512" name="l01512"></a><span class="lineno"> 1512</span><span class="comment">// The operations we need to do are given in the OSPF RFC which we reference</span></div>
<div class="line"><a id="l01513" name="l01513"></a><span class="lineno"> 1513</span><span class="comment">// as we go along.</span></div>
<div class="line"><a id="l01514" name="l01514"></a><span class="lineno"> 1514</span><span class="comment">//</span></div>
<div class="line"><a id="l01515" name="l01515"></a><span class="lineno"> 1515</span><span class="comment">// RFC2328 16.1. (2). </span></div>
<div class="line"><a id="l01516" name="l01516"></a><span class="lineno"> 1516</span><span class="comment">//</span></div>
<div class="line"><a id="l01517" name="l01517"></a><span class="lineno"> 1517</span><span class="comment">// We examine the Global Router Link Records in the Link State </span></div>
<div class="line"><a id="l01518" name="l01518"></a><span class="lineno"> 1518</span><span class="comment">// Advertisements of the current vertex.  If there are any point-to-point</span></div>
<div class="line"><a id="l01519" name="l01519"></a><span class="lineno"> 1519</span><span class="comment">// links to unexplored adjacent vertices we add them to the tree and update</span></div>
<div class="line"><a id="l01520" name="l01520"></a><span class="lineno"> 1520</span><span class="comment">// the distance and next hop information on how to get there.  We also add</span></div>
<div class="line"><a id="l01521" name="l01521"></a><span class="lineno"> 1521</span><span class="comment">// the new vertices to the candidate queue (the priority queue ordered by</span></div>
<div class="line"><a id="l01522" name="l01522"></a><span class="lineno"> 1522</span><span class="comment">// shortest path).  If the new vertices represent shorter paths, we use them</span></div>
<div class="line"><a id="l01523" name="l01523"></a><span class="lineno"> 1523</span><span class="comment">// and update the path cost.</span></div>
<div class="line"><a id="l01524" name="l01524"></a><span class="lineno"> 1524</span><span class="comment">//</span></div>
<div class="line"><a id="l01525" name="l01525"></a><span class="lineno"> 1525</span>      <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#ab573904f9f357e2b802b1bbdcdc3247d">SPFNext</a> (v, candidate);</div>
<div class="line"><a id="l01526" name="l01526"></a><span class="lineno"> 1526</span><span class="comment">//</span></div>
<div class="line"><a id="l01527" name="l01527"></a><span class="lineno"> 1527</span><span class="comment">// RFC2328 16.1. (3). </span></div>
<div class="line"><a id="l01528" name="l01528"></a><span class="lineno"> 1528</span><span class="comment">//</span></div>
<div class="line"><a id="l01529" name="l01529"></a><span class="lineno"> 1529</span><span class="comment">// If at this step the candidate list is empty, the shortest-path tree (of</span></div>
<div class="line"><a id="l01530" name="l01530"></a><span class="lineno"> 1530</span><span class="comment">// transit vertices) has been completely built and this stage of the</span></div>
<div class="line"><a id="l01531" name="l01531"></a><span class="lineno"> 1531</span><span class="comment">// procedure terminates. </span></div>
<div class="line"><a id="l01532" name="l01532"></a><span class="lineno"> 1532</span><span class="comment">//</span></div>
<div class="line"><a id="l01533" name="l01533"></a><span class="lineno"> 1533</span>      <span class="keywordflow">if</span> (candidate.<a class="code hl_function" href="../../dd/d17/classns3_1_1_d_g_r_candidate_queue.html#abdb46ac92a797d66c0a08f646f6637f5">Size</a> () == 0)</div>
<div class="line"><a id="l01534" name="l01534"></a><span class="lineno"> 1534</span>        {</div>
<div class="line"><a id="l01535" name="l01535"></a><span class="lineno"> 1535</span>          <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01536" name="l01536"></a><span class="lineno"> 1536</span>        }</div>
<div class="line"><a id="l01537" name="l01537"></a><span class="lineno"> 1537</span><span class="comment">//</span></div>
<div class="line"><a id="l01538" name="l01538"></a><span class="lineno"> 1538</span><span class="comment">// Choose the vertex belonging to the candidate list that is closest to the</span></div>
<div class="line"><a id="l01539" name="l01539"></a><span class="lineno"> 1539</span><span class="comment">// root, and add it to the shortest-path tree (removing it from the candidate</span></div>
<div class="line"><a id="l01540" name="l01540"></a><span class="lineno"> 1540</span><span class="comment">// list in the process).</span></div>
<div class="line"><a id="l01541" name="l01541"></a><span class="lineno"> 1541</span><span class="comment">//</span></div>
<div class="line"><a id="l01542" name="l01542"></a><span class="lineno"> 1542</span><span class="comment">// Recall that in the previous step, we created DGRVertex structures for each</span></div>
<div class="line"><a id="l01543" name="l01543"></a><span class="lineno"> 1543</span><span class="comment">// of the routers found in the Global Router Link Records and added tehm to </span></div>
<div class="line"><a id="l01544" name="l01544"></a><span class="lineno"> 1544</span><span class="comment">// the candidate list.</span></div>
<div class="line"><a id="l01545" name="l01545"></a><span class="lineno"> 1545</span><span class="comment">//</span></div>
<div class="line"><a id="l01546" name="l01546"></a><span class="lineno"> 1546</span>      NS_LOG_LOGIC (candidate);</div>
<div class="line"><a id="l01547" name="l01547"></a><span class="lineno"> 1547</span>      v = candidate.<a class="code hl_function" href="../../dd/d17/classns3_1_1_d_g_r_candidate_queue.html#a278c16f4c6de3e85aa9268215a6e95db">Pop</a> ();</div>
<div class="line"><a id="l01548" name="l01548"></a><span class="lineno"> 1548</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;Popped vertex &quot;</span> &lt;&lt; v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> ());</div>
<div class="line"><a id="l01549" name="l01549"></a><span class="lineno"> 1549</span><span class="comment">//</span></div>
<div class="line"><a id="l01550" name="l01550"></a><span class="lineno"> 1550</span><span class="comment">// Update the status field of the vertex to indicate that it is in the SPF</span></div>
<div class="line"><a id="l01551" name="l01551"></a><span class="lineno"> 1551</span><span class="comment">// tree.</span></div>
<div class="line"><a id="l01552" name="l01552"></a><span class="lineno"> 1552</span><span class="comment">//</span></div>
<div class="line"><a id="l01553" name="l01553"></a><span class="lineno"> 1553</span>      v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ()-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a497453d1271c0020968487ec8ead99c5">SetStatus</a> (<a class="code hl_enumvalue" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a2d6cf227cde572e9c99d273a0e0fa5f7a0f88fe6c9e38275dc638a9ebb26018a2">DGRRoutingLSA::LSA_SPF_IN_SPFTREE</a>);</div>
<div class="line"><a id="l01554" name="l01554"></a><span class="lineno"> 1554</span><span class="comment">//</span></div>
<div class="line"><a id="l01555" name="l01555"></a><span class="lineno"> 1555</span><span class="comment">// The current vertex has a parent pointer.  By calling this rather oddly </span></div>
<div class="line"><a id="l01556" name="l01556"></a><span class="lineno"> 1556</span><span class="comment">// named method (blame quagga) we add the current vertex to the list of </span></div>
<div class="line"><a id="l01557" name="l01557"></a><span class="lineno"> 1557</span><span class="comment">// children of that parent vertex.  In the next hop calculation called during</span></div>
<div class="line"><a id="l01558" name="l01558"></a><span class="lineno"> 1558</span><span class="comment">// SPFNext, the parent pointer was set but the vertex has been orphaned up</span></div>
<div class="line"><a id="l01559" name="l01559"></a><span class="lineno"> 1559</span><span class="comment">// to now.</span></div>
<div class="line"><a id="l01560" name="l01560"></a><span class="lineno"> 1560</span><span class="comment">//</span></div>
<div class="line"><a id="l01561" name="l01561"></a><span class="lineno"> 1561</span>      <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a98dcc2494c9f368e4cfed15ead8a2990">DGRVertexAddParent</a> (v);</div>
<div class="line"><a id="l01562" name="l01562"></a><span class="lineno"> 1562</span><span class="comment">//</span></div>
<div class="line"><a id="l01563" name="l01563"></a><span class="lineno"> 1563</span><span class="comment">// Note that when there is a choice of vertices closest to the root, network</span></div>
<div class="line"><a id="l01564" name="l01564"></a><span class="lineno"> 1564</span><span class="comment">// vertices must be chosen before router vertices in order to necessarily</span></div>
<div class="line"><a id="l01565" name="l01565"></a><span class="lineno"> 1565</span><span class="comment">// find all equal-cost paths. </span></div>
<div class="line"><a id="l01566" name="l01566"></a><span class="lineno"> 1566</span><span class="comment">//</span></div>
<div class="line"><a id="l01567" name="l01567"></a><span class="lineno"> 1567</span><span class="comment">// RFC2328 16.1. (4). </span></div>
<div class="line"><a id="l01568" name="l01568"></a><span class="lineno"> 1568</span><span class="comment">//</span></div>
<div class="line"><a id="l01569" name="l01569"></a><span class="lineno"> 1569</span><span class="comment">// This is the method that actually adds the routes.  It&#39;ll walk the list</span></div>
<div class="line"><a id="l01570" name="l01570"></a><span class="lineno"> 1570</span><span class="comment">// of nodes in the system, looking for the node corresponding to the router</span></div>
<div class="line"><a id="l01571" name="l01571"></a><span class="lineno"> 1571</span><span class="comment">// ID of the root of the tree -- that is the router we&#39;re building the routes</span></div>
<div class="line"><a id="l01572" name="l01572"></a><span class="lineno"> 1572</span><span class="comment">// for.  It looks for the Ipv4 interface of that node and remembers it.  So</span></div>
<div class="line"><a id="l01573" name="l01573"></a><span class="lineno"> 1573</span><span class="comment">// we are only actually adding routes to that one node at the root of the SPF </span></div>
<div class="line"><a id="l01574" name="l01574"></a><span class="lineno"> 1574</span><span class="comment">// tree.</span></div>
<div class="line"><a id="l01575" name="l01575"></a><span class="lineno"> 1575</span><span class="comment">//</span></div>
<div class="line"><a id="l01576" name="l01576"></a><span class="lineno"> 1576</span><span class="comment">// We&#39;re going to pop of a pointer to every vertex in the tree except the </span></div>
<div class="line"><a id="l01577" name="l01577"></a><span class="lineno"> 1577</span><span class="comment">// root in order of distance from the root.  For each of the vertices, we call</span></div>
<div class="line"><a id="l01578" name="l01578"></a><span class="lineno"> 1578</span><span class="comment">// SPFIntraAddRouter ().  Down in SPFIntraAddRouter, we look at all of the </span></div>
<div class="line"><a id="l01579" name="l01579"></a><span class="lineno"> 1579</span><span class="comment">// point-to-point Global Router Link Records (the links to nodes adjacent to</span></div>
<div class="line"><a id="l01580" name="l01580"></a><span class="lineno"> 1580</span><span class="comment">// the node represented by the vertex).  We add a route to the IP address </span></div>
<div class="line"><a id="l01581" name="l01581"></a><span class="lineno"> 1581</span><span class="comment">// specified by the m_linkData field of each of those link records.  This will</span></div>
<div class="line"><a id="l01582" name="l01582"></a><span class="lineno"> 1582</span><span class="comment">// be the *local* IP address associated with the interface attached to the </span></div>
<div class="line"><a id="l01583" name="l01583"></a><span class="lineno"> 1583</span><span class="comment">// link.  We use the outbound interface and next hop information present in </span></div>
<div class="line"><a id="l01584" name="l01584"></a><span class="lineno"> 1584</span><span class="comment">// the vertex &lt;v&gt; which have possibly been inherited from the root.</span></div>
<div class="line"><a id="l01585" name="l01585"></a><span class="lineno"> 1585</span><span class="comment">//</span></div>
<div class="line"><a id="l01586" name="l01586"></a><span class="lineno"> 1586</span><span class="comment">// To summarize, we&#39;re going to look at the node represented by &lt;v&gt; and loop</span></div>
<div class="line"><a id="l01587" name="l01587"></a><span class="lineno"> 1587</span><span class="comment">// through its point-to-point links, adding a *host* route to the local IP</span></div>
<div class="line"><a id="l01588" name="l01588"></a><span class="lineno"> 1588</span><span class="comment">// address (at the &lt;v&gt; side) for each of those links.</span></div>
<div class="line"><a id="l01589" name="l01589"></a><span class="lineno"> 1589</span><span class="comment">//</span></div>
<div class="line"><a id="l01590" name="l01590"></a><span class="lineno"> 1590</span>      <span class="keywordflow">if</span> (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5999846daefbeb25a5265e80e3f3a078">GetVertexType</a> () == <a class="code hl_enumvalue" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96ccea0d137433dfa77b24862a5f2c116da286">DGRVertex::VertexRouter</a>)</div>
<div class="line"><a id="l01591" name="l01591"></a><span class="lineno"> 1591</span>        {</div>
<div class="line"><a id="l01592" name="l01592"></a><span class="lineno"> 1592</span>          <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a58756bc6216f5ebe1941a2102ae4cdf9">SPFIntraAddRouter</a> (v, v_init, l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a97080a8409f77898f4485230be0be5e4">GetLinkData</a> (), Iface);</div>
<div class="line"><a id="l01593" name="l01593"></a><span class="lineno"> 1593</span>        }</div>
<div class="line"><a id="l01594" name="l01594"></a><span class="lineno"> 1594</span>      <span class="keywordflow">else</span> <span class="keywordflow">if</span> (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5999846daefbeb25a5265e80e3f3a078">GetVertexType</a> () == <a class="code hl_enumvalue" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96ccea4cb6ddc9d2395166b87840984bc01880">DGRVertex::VertexNetwork</a>)</div>
<div class="line"><a id="l01595" name="l01595"></a><span class="lineno"> 1595</span>        {</div>
<div class="line"><a id="l01596" name="l01596"></a><span class="lineno"> 1596</span>          <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a80ce56eb81842ac31afccfdd698d1d73">SPFIntraAddTransit</a> (v);</div>
<div class="line"><a id="l01597" name="l01597"></a><span class="lineno"> 1597</span>        }</div>
<div class="line"><a id="l01598" name="l01598"></a><span class="lineno"> 1598</span>      <span class="keywordflow">else</span></div>
<div class="line"><a id="l01599" name="l01599"></a><span class="lineno"> 1599</span>        {</div>
<div class="line"><a id="l01600" name="l01600"></a><span class="lineno"> 1600</span>          NS_ASSERT_MSG (0, <span class="stringliteral">&quot;illegal DGRVertex type&quot;</span>);</div>
<div class="line"><a id="l01601" name="l01601"></a><span class="lineno"> 1601</span>        }</div>
<div class="line"><a id="l01602" name="l01602"></a><span class="lineno"> 1602</span><span class="comment">//</span></div>
<div class="line"><a id="l01603" name="l01603"></a><span class="lineno"> 1603</span><span class="comment">// RFC2328 16.1. (5). </span></div>
<div class="line"><a id="l01604" name="l01604"></a><span class="lineno"> 1604</span><span class="comment">//</span></div>
<div class="line"><a id="l01605" name="l01605"></a><span class="lineno"> 1605</span><span class="comment">// Iterate the algorithm by returning to Step 2 until there are no more</span></div>
<div class="line"><a id="l01606" name="l01606"></a><span class="lineno"> 1606</span><span class="comment">// candidate vertices.</span></div>
<div class="line"><a id="l01607" name="l01607"></a><span class="lineno"> 1607</span> </div>
<div class="line"><a id="l01608" name="l01608"></a><span class="lineno"> 1608</span>    }  <span class="comment">// end for loop</span></div>
<div class="line"><a id="l01609" name="l01609"></a><span class="lineno"> 1609</span> </div>
<div class="line"><a id="l01610" name="l01610"></a><span class="lineno"> 1610</span><span class="comment">// Second stage of SPF calculation procedure</span></div>
<div class="line"><a id="l01611" name="l01611"></a><span class="lineno"> 1611</span>  <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a71dd2f4c78a96ecb7d86dd75fd6f78bd">SPFProcessStubs</a> (<a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a51238c1122fc794564a658bf852d6910">m_spfroot</a>);</div>
<div class="line"><a id="l01612" name="l01612"></a><span class="lineno"> 1612</span>  <span class="keywordflow">for</span> (uint32_t <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> = 0; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt; <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a>-&gt;<a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a5ceebeea8595e2788e490c2e56cc3405">GetNumExtLSAs</a> (); <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l01613" name="l01613"></a><span class="lineno"> 1613</span>    {</div>
<div class="line"><a id="l01614" name="l01614"></a><span class="lineno"> 1614</span>      <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a51238c1122fc794564a658bf852d6910">m_spfroot</a>-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#adedcbcf4b3fd8a7db8a086d5beefc1d2">ClearVertexProcessed</a> ();</div>
<div class="line"><a id="l01615" name="l01615"></a><span class="lineno"> 1615</span>      <a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a> *extlsa = <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">m_lsdb</a>-&gt;<a class="code hl_function" href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a4eccf46bb836fc866adeb57b38d6a493">GetExtLSA</a> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>);</div>
<div class="line"><a id="l01616" name="l01616"></a><span class="lineno"> 1616</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;Processing External LSA with id &quot;</span> &lt;&lt; extlsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">GetLinkStateId</a> ());</div>
<div class="line"><a id="l01617" name="l01617"></a><span class="lineno"> 1617</span>      <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#ad51d5dbbd85120ad79227351fc16c9f4">ProcessASExternals</a> (<a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a51238c1122fc794564a658bf852d6910">m_spfroot</a>, extlsa);</div>
<div class="line"><a id="l01618" name="l01618"></a><span class="lineno"> 1618</span>    }</div>
<div class="line"><a id="l01619" name="l01619"></a><span class="lineno"> 1619</span> </div>
<div class="line"><a id="l01620" name="l01620"></a><span class="lineno"> 1620</span><span class="comment">//</span></div>
<div class="line"><a id="l01621" name="l01621"></a><span class="lineno"> 1621</span><span class="comment">// We&#39;re all done setting the routing information for the node at the root of</span></div>
<div class="line"><a id="l01622" name="l01622"></a><span class="lineno"> 1622</span><span class="comment">// the SPF tree.  Delete all of the vertices and corresponding resources.  Go</span></div>
<div class="line"><a id="l01623" name="l01623"></a><span class="lineno"> 1623</span><span class="comment">// possibly do it again for the next router.</span></div>
<div class="line"><a id="l01624" name="l01624"></a><span class="lineno"> 1624</span><span class="comment">//</span></div>
<div class="line"><a id="l01625" name="l01625"></a><span class="lineno"> 1625</span>  <span class="keyword">delete</span> <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a51238c1122fc794564a658bf852d6910">m_spfroot</a>;</div>
<div class="line"><a id="l01626" name="l01626"></a><span class="lineno"> 1626</span>  <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a51238c1122fc794564a658bf852d6910">m_spfroot</a> = 0;</div>
<div class="line"><a id="l01627" name="l01627"></a><span class="lineno"> 1627</span>}</div>
<div class="line"><a id="l01628" name="l01628"></a><span class="lineno"> 1628</span> </div>
<div class="line"><a id="l01629" name="l01629"></a><span class="lineno"> 1629</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l01630" name="l01630"></a><span class="lineno"><a class="line" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#ad51d5dbbd85120ad79227351fc16c9f4"> 1630</a></span><a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#ad51d5dbbd85120ad79227351fc16c9f4">DGRRouteManagerImpl::ProcessASExternals</a> (<a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* v, <a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a>* extlsa)</div>
<div class="line"><a id="l01631" name="l01631"></a><span class="lineno"> 1631</span>{</div>
<div class="line"><a id="l01632" name="l01632"></a><span class="lineno"> 1632</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; v &lt;&lt; extlsa);</div>
<div class="line"><a id="l01633" name="l01633"></a><span class="lineno"> 1633</span>  NS_LOG_LOGIC (<span class="stringliteral">&quot;Processing external for destination &quot;</span> &lt;&lt; </div>
<div class="line"><a id="l01634" name="l01634"></a><span class="lineno"> 1634</span>                extlsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">GetLinkStateId</a> () &lt;&lt;</div>
<div class="line"><a id="l01635" name="l01635"></a><span class="lineno"> 1635</span>                <span class="stringliteral">&quot;, for router &quot;</span>  &lt;&lt; v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () &lt;&lt;</div>
<div class="line"><a id="l01636" name="l01636"></a><span class="lineno"> 1636</span>                <span class="stringliteral">&quot;, advertised by &quot;</span> &lt;&lt; extlsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#aa16092b325a84e50b90fcc5dd4e5bab2">GetAdvertisingRouter</a> ());</div>
<div class="line"><a id="l01637" name="l01637"></a><span class="lineno"> 1637</span>  <span class="keywordflow">if</span> (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5999846daefbeb25a5265e80e3f3a078">GetVertexType</a> () == <a class="code hl_enumvalue" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96ccea0d137433dfa77b24862a5f2c116da286">DGRVertex::VertexRouter</a>)</div>
<div class="line"><a id="l01638" name="l01638"></a><span class="lineno"> 1638</span>    {</div>
<div class="line"><a id="l01639" name="l01639"></a><span class="lineno"> 1639</span>      <a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a> *rlsa = v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ();</div>
<div class="line"><a id="l01640" name="l01640"></a><span class="lineno"> 1640</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;Processing router LSA with id &quot;</span> &lt;&lt; rlsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">GetLinkStateId</a> ());</div>
<div class="line"><a id="l01641" name="l01641"></a><span class="lineno"> 1641</span>      <span class="keywordflow">if</span> ((rlsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">GetLinkStateId</a> ()) == (extlsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#aa16092b325a84e50b90fcc5dd4e5bab2">GetAdvertisingRouter</a> ()))</div>
<div class="line"><a id="l01642" name="l01642"></a><span class="lineno"> 1642</span>        {</div>
<div class="line"><a id="l01643" name="l01643"></a><span class="lineno"> 1643</span>          NS_LOG_LOGIC (<span class="stringliteral">&quot;Found advertising router to destination&quot;</span>);</div>
<div class="line"><a id="l01644" name="l01644"></a><span class="lineno"> 1644</span>          <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a4169b90db3aa5437191ecf42e484f567">SPFAddASExternal</a> (extlsa,v);</div>
<div class="line"><a id="l01645" name="l01645"></a><span class="lineno"> 1645</span>        }</div>
<div class="line"><a id="l01646" name="l01646"></a><span class="lineno"> 1646</span>    }</div>
<div class="line"><a id="l01647" name="l01647"></a><span class="lineno"> 1647</span>  <span class="keywordflow">for</span> (uint32_t <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> = 0; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt; v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a504717b90b3fad088d133c2e71836eaf">GetNChildren</a> (); <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l01648" name="l01648"></a><span class="lineno"> 1648</span>    {</div>
<div class="line"><a id="l01649" name="l01649"></a><span class="lineno"> 1649</span>      <span class="keywordflow">if</span> (!v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aea98bf4a660837344a4c802546249a21">GetChild</a> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>)-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a6afcdedc8616fc035f8c9736d5679cd4">IsVertexProcessed</a> ())</div>
<div class="line"><a id="l01650" name="l01650"></a><span class="lineno"> 1650</span>        {</div>
<div class="line"><a id="l01651" name="l01651"></a><span class="lineno"> 1651</span>          NS_LOG_LOGIC (<span class="stringliteral">&quot;Vertex&#39;s child &quot;</span> &lt;&lt; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt;&lt; <span class="stringliteral">&quot; not yet processed, processing...&quot;</span>);</div>
<div class="line"><a id="l01652" name="l01652"></a><span class="lineno"> 1652</span>          <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#ad51d5dbbd85120ad79227351fc16c9f4">ProcessASExternals</a> (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aea98bf4a660837344a4c802546249a21">GetChild</a> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>), extlsa);</div>
<div class="line"><a id="l01653" name="l01653"></a><span class="lineno"> 1653</span>          v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aea98bf4a660837344a4c802546249a21">GetChild</a> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>)-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aa1718a99ec16d3ebf25949e3edac9168">SetVertexProcessed</a> (<span class="keyword">true</span>);</div>
<div class="line"><a id="l01654" name="l01654"></a><span class="lineno"> 1654</span>        }</div>
<div class="line"><a id="l01655" name="l01655"></a><span class="lineno"> 1655</span>    }</div>
<div class="line"><a id="l01656" name="l01656"></a><span class="lineno"> 1656</span>}</div>
<div class="line"><a id="l01657" name="l01657"></a><span class="lineno"> 1657</span> </div>
<div class="line"><a id="l01658" name="l01658"></a><span class="lineno"> 1658</span><span class="comment">//</span></div>
<div class="line"><a id="l01659" name="l01659"></a><span class="lineno"> 1659</span><span class="comment">// Adding external routes to routing table - modeled after</span></div>
<div class="line"><a id="l01660" name="l01660"></a><span class="lineno"> 1660</span><span class="comment">// SPFAddIntraAddStub()</span></div>
<div class="line"><a id="l01661" name="l01661"></a><span class="lineno"> 1661</span><span class="comment">//</span></div>
<div class="line"><a id="l01662" name="l01662"></a><span class="lineno"> 1662</span> </div>
<div class="line"><a id="l01663" name="l01663"></a><span class="lineno"> 1663</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l01664" name="l01664"></a><span class="lineno"><a class="line" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a4169b90db3aa5437191ecf42e484f567"> 1664</a></span><a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a4169b90db3aa5437191ecf42e484f567">DGRRouteManagerImpl::SPFAddASExternal</a> (<a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a> *extlsa, <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a> *v)</div>
<div class="line"><a id="l01665" name="l01665"></a><span class="lineno"> 1665</span>{</div>
<div class="line"><a id="l01666" name="l01666"></a><span class="lineno"> 1666</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; extlsa &lt;&lt; v);</div>
<div class="line"><a id="l01667" name="l01667"></a><span class="lineno"> 1667</span> </div>
<div class="line"><a id="l01668" name="l01668"></a><span class="lineno"> 1668</span>  NS_ASSERT_MSG (<a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a51238c1122fc794564a658bf852d6910">m_spfroot</a>, <span class="stringliteral">&quot;DGRRouteManagerImpl::SPFAddASExternal (): Root pointer not set&quot;</span>);</div>
<div class="line"><a id="l01669" name="l01669"></a><span class="lineno"> 1669</span><span class="comment">// Two cases to consider: We are advertising the external ourselves</span></div>
<div class="line"><a id="l01670" name="l01670"></a><span class="lineno"> 1670</span><span class="comment">// =&gt; No need to add anything</span></div>
<div class="line"><a id="l01671" name="l01671"></a><span class="lineno"> 1671</span><span class="comment">// OR find best path to the advertising router</span></div>
<div class="line"><a id="l01672" name="l01672"></a><span class="lineno"> 1672</span>  <span class="keywordflow">if</span> (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () == <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a51238c1122fc794564a658bf852d6910">m_spfroot</a>-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> ())</div>
<div class="line"><a id="l01673" name="l01673"></a><span class="lineno"> 1673</span>    {</div>
<div class="line"><a id="l01674" name="l01674"></a><span class="lineno"> 1674</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;External is on local host: &quot;</span> </div>
<div class="line"><a id="l01675" name="l01675"></a><span class="lineno"> 1675</span>                    &lt;&lt; v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () &lt;&lt; <span class="stringliteral">&quot;; returning&quot;</span>);</div>
<div class="line"><a id="l01676" name="l01676"></a><span class="lineno"> 1676</span>      <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l01677" name="l01677"></a><span class="lineno"> 1677</span>    }</div>
<div class="line"><a id="l01678" name="l01678"></a><span class="lineno"> 1678</span>  NS_LOG_LOGIC (<span class="stringliteral">&quot;External is on remote host: &quot;</span> </div>
<div class="line"><a id="l01679" name="l01679"></a><span class="lineno"> 1679</span>                &lt;&lt; extlsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#aa16092b325a84e50b90fcc5dd4e5bab2">GetAdvertisingRouter</a> () &lt;&lt; <span class="stringliteral">&quot;; installing&quot;</span>);</div>
<div class="line"><a id="l01680" name="l01680"></a><span class="lineno"> 1680</span> </div>
<div class="line"><a id="l01681" name="l01681"></a><span class="lineno"> 1681</span>  Ipv4Address routerId = <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a51238c1122fc794564a658bf852d6910">m_spfroot</a>-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> ();</div>
<div class="line"><a id="l01682" name="l01682"></a><span class="lineno"> 1682</span> </div>
<div class="line"><a id="l01683" name="l01683"></a><span class="lineno"> 1683</span>  NS_LOG_LOGIC (<span class="stringliteral">&quot;Vertex ID = &quot;</span> &lt;&lt; routerId);</div>
<div class="line"><a id="l01684" name="l01684"></a><span class="lineno"> 1684</span><span class="comment">//</span></div>
<div class="line"><a id="l01685" name="l01685"></a><span class="lineno"> 1685</span><span class="comment">// We need to walk the list of nodes looking for the one that has the router</span></div>
<div class="line"><a id="l01686" name="l01686"></a><span class="lineno"> 1686</span><span class="comment">// ID corresponding to the root vertex.  This is the one we&#39;re going to write</span></div>
<div class="line"><a id="l01687" name="l01687"></a><span class="lineno"> 1687</span><span class="comment">// the routing information to.</span></div>
<div class="line"><a id="l01688" name="l01688"></a><span class="lineno"> 1688</span><span class="comment">//</span></div>
<div class="line"><a id="l01689" name="l01689"></a><span class="lineno"> 1689</span>  NodeList::Iterator <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> = NodeList::Begin (); </div>
<div class="line"><a id="l01690" name="l01690"></a><span class="lineno"> 1690</span>  NodeList::Iterator listEnd = NodeList::End ();</div>
<div class="line"><a id="l01691" name="l01691"></a><span class="lineno"> 1691</span>  <span class="keywordflow">for</span> (; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> != listEnd; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l01692" name="l01692"></a><span class="lineno"> 1692</span>    {</div>
<div class="line"><a id="l01693" name="l01693"></a><span class="lineno"> 1693</span>      Ptr&lt;Node&gt; node = *<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>;</div>
<div class="line"><a id="l01694" name="l01694"></a><span class="lineno"> 1694</span><span class="comment">//</span></div>
<div class="line"><a id="l01695" name="l01695"></a><span class="lineno"> 1695</span><span class="comment">// The router ID is accessible through the DGRRouter interface, so we need</span></div>
<div class="line"><a id="l01696" name="l01696"></a><span class="lineno"> 1696</span><span class="comment">// to QI for that interface.  If there&#39;s no DGRRouter interface, the node</span></div>
<div class="line"><a id="l01697" name="l01697"></a><span class="lineno"> 1697</span><span class="comment">// in question cannot be the router we want, so we continue.</span></div>
<div class="line"><a id="l01698" name="l01698"></a><span class="lineno"> 1698</span><span class="comment">// </span></div>
<div class="line"><a id="l01699" name="l01699"></a><span class="lineno"> 1699</span>      Ptr&lt;DGRRouter&gt; rtr = node-&gt;GetObject&lt;<a class="code hl_class" href="../../d0/d56/classns3_1_1_d_g_r_router.html">DGRRouter</a>&gt; ();</div>
<div class="line"><a id="l01700" name="l01700"></a><span class="lineno"> 1700</span> </div>
<div class="line"><a id="l01701" name="l01701"></a><span class="lineno"> 1701</span>      <span class="keywordflow">if</span> (!rtr)</div>
<div class="line"><a id="l01702" name="l01702"></a><span class="lineno"> 1702</span>        {</div>
<div class="line"><a id="l01703" name="l01703"></a><span class="lineno"> 1703</span>          NS_LOG_LOGIC (<span class="stringliteral">&quot;No DGRRouter interface on node &quot;</span> &lt;&lt; node-&gt;GetId ());</div>
<div class="line"><a id="l01704" name="l01704"></a><span class="lineno"> 1704</span>          <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l01705" name="l01705"></a><span class="lineno"> 1705</span>        }</div>
<div class="line"><a id="l01706" name="l01706"></a><span class="lineno"> 1706</span><span class="comment">//</span></div>
<div class="line"><a id="l01707" name="l01707"></a><span class="lineno"> 1707</span><span class="comment">// If the router ID of the current node is equal to the router ID of the </span></div>
<div class="line"><a id="l01708" name="l01708"></a><span class="lineno"> 1708</span><span class="comment">// root of the SPF tree, then this node is the one for which we need to </span></div>
<div class="line"><a id="l01709" name="l01709"></a><span class="lineno"> 1709</span><span class="comment">// write the routing tables.</span></div>
<div class="line"><a id="l01710" name="l01710"></a><span class="lineno"> 1710</span><span class="comment">//</span></div>
<div class="line"><a id="l01711" name="l01711"></a><span class="lineno"> 1711</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;Considering router &quot;</span> &lt;&lt; rtr-&gt;GetRouterId ());</div>
<div class="line"><a id="l01712" name="l01712"></a><span class="lineno"> 1712</span> </div>
<div class="line"><a id="l01713" name="l01713"></a><span class="lineno"> 1713</span>      <span class="keywordflow">if</span> (rtr-&gt;GetRouterId () == routerId)</div>
<div class="line"><a id="l01714" name="l01714"></a><span class="lineno"> 1714</span>        {</div>
<div class="line"><a id="l01715" name="l01715"></a><span class="lineno"> 1715</span>          NS_LOG_LOGIC (<span class="stringliteral">&quot;Setting routes for node &quot;</span> &lt;&lt; node-&gt;GetId ());</div>
<div class="line"><a id="l01716" name="l01716"></a><span class="lineno"> 1716</span><span class="comment">//</span></div>
<div class="line"><a id="l01717" name="l01717"></a><span class="lineno"> 1717</span><span class="comment">// Routing information is updated using the Ipv4 interface.  We need to QI</span></div>
<div class="line"><a id="l01718" name="l01718"></a><span class="lineno"> 1718</span><span class="comment">// for that interface.  If the node is acting as an IP version 4 router, it</span></div>
<div class="line"><a id="l01719" name="l01719"></a><span class="lineno"> 1719</span><span class="comment">// should absolutely have an Ipv4 interface.</span></div>
<div class="line"><a id="l01720" name="l01720"></a><span class="lineno"> 1720</span><span class="comment">//</span></div>
<div class="line"><a id="l01721" name="l01721"></a><span class="lineno"> 1721</span>          Ptr&lt;Ipv4&gt; ipv4 = node-&gt;GetObject&lt;Ipv4&gt; ();</div>
<div class="line"><a id="l01722" name="l01722"></a><span class="lineno"> 1722</span>          NS_ASSERT_MSG (ipv4, </div>
<div class="line"><a id="l01723" name="l01723"></a><span class="lineno"> 1723</span>                         <span class="stringliteral">&quot;DGRRouteManagerImpl::SPFIntraAddRouter (): &quot;</span></div>
<div class="line"><a id="l01724" name="l01724"></a><span class="lineno"> 1724</span>                         <span class="stringliteral">&quot;QI for &lt;Ipv4&gt; interface failed&quot;</span>);</div>
<div class="line"><a id="l01725" name="l01725"></a><span class="lineno"> 1725</span><span class="comment">//</span></div>
<div class="line"><a id="l01726" name="l01726"></a><span class="lineno"> 1726</span><span class="comment">// Get the Global Router Link State Advertisement from the vertex we&#39;re</span></div>
<div class="line"><a id="l01727" name="l01727"></a><span class="lineno"> 1727</span><span class="comment">// adding the routes to.  The LSA will have a number of attached Global Router</span></div>
<div class="line"><a id="l01728" name="l01728"></a><span class="lineno"> 1728</span><span class="comment">// Link Records corresponding to links off of that vertex / node.  We&#39;re going</span></div>
<div class="line"><a id="l01729" name="l01729"></a><span class="lineno"> 1729</span><span class="comment">// to be interested in the records corresponding to point-to-point links.</span></div>
<div class="line"><a id="l01730" name="l01730"></a><span class="lineno"> 1730</span><span class="comment">//</span></div>
<div class="line"><a id="l01731" name="l01731"></a><span class="lineno"> 1731</span>          NS_ASSERT_MSG (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> (), </div>
<div class="line"><a id="l01732" name="l01732"></a><span class="lineno"> 1732</span>                         <span class="stringliteral">&quot;DGRRouteManagerImpl::SPFIntraAddRouter (): &quot;</span></div>
<div class="line"><a id="l01733" name="l01733"></a><span class="lineno"> 1733</span>                         <span class="stringliteral">&quot;Expected valid LSA in DGRVertex* v&quot;</span>);</div>
<div class="line"><a id="l01734" name="l01734"></a><span class="lineno"> 1734</span>          Ipv4Mask tempmask = extlsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a3e3b9552f26b930f47dd069eaf0f3950">GetNetworkLSANetworkMask</a> ();</div>
<div class="line"><a id="l01735" name="l01735"></a><span class="lineno"> 1735</span>          Ipv4Address tempip = extlsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">GetLinkStateId</a> ();</div>
<div class="line"><a id="l01736" name="l01736"></a><span class="lineno"> 1736</span>          tempip = tempip.CombineMask (tempmask);</div>
<div class="line"><a id="l01737" name="l01737"></a><span class="lineno"> 1737</span> </div>
<div class="line"><a id="l01738" name="l01738"></a><span class="lineno"> 1738</span><span class="comment">//</span></div>
<div class="line"><a id="l01739" name="l01739"></a><span class="lineno"> 1739</span><span class="comment">// Here&#39;s why we did all of that work.  We&#39;re going to add a host route to the</span></div>
<div class="line"><a id="l01740" name="l01740"></a><span class="lineno"> 1740</span><span class="comment">// host address found in the m_linkData field of the point-to-point link</span></div>
<div class="line"><a id="l01741" name="l01741"></a><span class="lineno"> 1741</span><span class="comment">// record.  In the case of a point-to-point link, this is the local IP address</span></div>
<div class="line"><a id="l01742" name="l01742"></a><span class="lineno"> 1742</span><span class="comment">// of the node connected to the link.  Each of these point-to-point links</span></div>
<div class="line"><a id="l01743" name="l01743"></a><span class="lineno"> 1743</span><span class="comment">// will correspond to a local interface that has an IP address to which</span></div>
<div class="line"><a id="l01744" name="l01744"></a><span class="lineno"> 1744</span><span class="comment">// the node at the root of the SPF tree can send packets.  The vertex &lt;v&gt; </span></div>
<div class="line"><a id="l01745" name="l01745"></a><span class="lineno"> 1745</span><span class="comment">// (corresponding to the node that has these links and interfaces) has </span></div>
<div class="line"><a id="l01746" name="l01746"></a><span class="lineno"> 1746</span><span class="comment">// an m_nextHop address precalculated for us that is the address to which the</span></div>
<div class="line"><a id="l01747" name="l01747"></a><span class="lineno"> 1747</span><span class="comment">// root node should send packets to be forwarded to these IP addresses.</span></div>
<div class="line"><a id="l01748" name="l01748"></a><span class="lineno"> 1748</span><span class="comment">// Similarly, the vertex &lt;v&gt; has an m_rootOif (outbound interface index) to</span></div>
<div class="line"><a id="l01749" name="l01749"></a><span class="lineno"> 1749</span><span class="comment">// which the packets should be send for forwarding.</span></div>
<div class="line"><a id="l01750" name="l01750"></a><span class="lineno"> 1750</span><span class="comment">//</span></div>
<div class="line"><a id="l01751" name="l01751"></a><span class="lineno"> 1751</span>          Ptr&lt;DGRRouter&gt; router = node-&gt;GetObject&lt;<a class="code hl_class" href="../../d0/d56/classns3_1_1_d_g_r_router.html">DGRRouter</a>&gt; ();</div>
<div class="line"><a id="l01752" name="l01752"></a><span class="lineno"> 1752</span>          <span class="keywordflow">if</span> (!router)</div>
<div class="line"><a id="l01753" name="l01753"></a><span class="lineno"> 1753</span>            {</div>
<div class="line"><a id="l01754" name="l01754"></a><span class="lineno"> 1754</span>              <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l01755" name="l01755"></a><span class="lineno"> 1755</span>            }</div>
<div class="line"><a id="l01756" name="l01756"></a><span class="lineno"> 1756</span>          Ptr&lt;Ipv4DGRRouting&gt; gr = router-&gt;<a class="code hl_function" href="../../d0/d56/classns3_1_1_d_g_r_router.html#a87f63cac54a25accafa7c849a9aa0dbc">GetRoutingProtocol</a> ();</div>
<div class="line"><a id="l01757" name="l01757"></a><span class="lineno"> 1757</span>          NS_ASSERT (gr);</div>
<div class="line"><a id="l01758" name="l01758"></a><span class="lineno"> 1758</span>          <span class="comment">// walk through all next-hop-IPs and out-going-interfaces for reaching</span></div>
<div class="line"><a id="l01759" name="l01759"></a><span class="lineno"> 1759</span>          <span class="comment">// the stub network gateway &#39;v&#39; from the root node</span></div>
<div class="line"><a id="l01760" name="l01760"></a><span class="lineno"> 1760</span>          <span class="keywordflow">for</span> (uint32_t <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> = 0; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt; v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a691c41409919639a4aaea1443fa26ed5">GetNRootExitDirections</a> (); <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l01761" name="l01761"></a><span class="lineno"> 1761</span>            {</div>
<div class="line"><a id="l01762" name="l01762"></a><span class="lineno"> 1762</span>              <a class="code hl_typedef" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aace20b0a545f431fbc5e3d6a2c149d44">DGRVertex::NodeExit_t</a> exit = v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a9e66f0b2ee7432156046e75672968138">GetRootExitDirection</a> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>);</div>
<div class="line"><a id="l01763" name="l01763"></a><span class="lineno"> 1763</span>              Ipv4Address nextHop = exit.first;</div>
<div class="line"><a id="l01764" name="l01764"></a><span class="lineno"> 1764</span>              int32_t outIf = exit.second;</div>
<div class="line"><a id="l01769" name="l01769"></a><span class="lineno"> 1769</span>              <span class="comment">// uint32_t distance = v-&gt;GetDistanceFromRoot ();</span></div>
<div class="line"><a id="l01770" name="l01770"></a><span class="lineno"> 1770</span>              <span class="comment">// std::cout &lt;&lt; &quot;the SPF distance = &quot; &lt;&lt; distance;</span></div>
<div class="line"><a id="l01771" name="l01771"></a><span class="lineno"> 1771</span> </div>
<div class="line"><a id="l01772" name="l01772"></a><span class="lineno"> 1772</span>              <span class="keywordflow">if</span> (outIf &gt;= 0)</div>
<div class="line"><a id="l01773" name="l01773"></a><span class="lineno"> 1773</span>                {</div>
<div class="line"><a id="l01774" name="l01774"></a><span class="lineno"> 1774</span>                  gr-&gt;AddASExternalRouteTo (tempip, tempmask, nextHop, outIf);</div>
<div class="line"><a id="l01775" name="l01775"></a><span class="lineno"> 1775</span>                  NS_LOG_LOGIC (<span class="stringliteral">&quot;(Route &quot;</span> &lt;&lt; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt;&lt; <span class="stringliteral">&quot;) Node &quot;</span> &lt;&lt; node-&gt;GetId () &lt;&lt;</div>
<div class="line"><a id="l01776" name="l01776"></a><span class="lineno"> 1776</span>                                <span class="stringliteral">&quot; add external network route to &quot;</span> &lt;&lt; tempip &lt;&lt;</div>
<div class="line"><a id="l01777" name="l01777"></a><span class="lineno"> 1777</span>                                <span class="stringliteral">&quot; using next hop &quot;</span> &lt;&lt; nextHop &lt;&lt;</div>
<div class="line"><a id="l01778" name="l01778"></a><span class="lineno"> 1778</span>                                <span class="stringliteral">&quot; via interface &quot;</span> &lt;&lt; outIf);</div>
<div class="line"><a id="l01779" name="l01779"></a><span class="lineno"> 1779</span>                }</div>
<div class="line"><a id="l01780" name="l01780"></a><span class="lineno"> 1780</span>              <span class="keywordflow">else</span></div>
<div class="line"><a id="l01781" name="l01781"></a><span class="lineno"> 1781</span>                {</div>
<div class="line"><a id="l01782" name="l01782"></a><span class="lineno"> 1782</span>                  NS_LOG_LOGIC (<span class="stringliteral">&quot;(Route &quot;</span> &lt;&lt; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt;&lt; <span class="stringliteral">&quot;) Node &quot;</span> &lt;&lt; node-&gt;GetId () &lt;&lt;</div>
<div class="line"><a id="l01783" name="l01783"></a><span class="lineno"> 1783</span>                                <span class="stringliteral">&quot; NOT able to add network route to &quot;</span> &lt;&lt; tempip &lt;&lt;</div>
<div class="line"><a id="l01784" name="l01784"></a><span class="lineno"> 1784</span>                                <span class="stringliteral">&quot; using next hop &quot;</span> &lt;&lt; nextHop &lt;&lt;</div>
<div class="line"><a id="l01785" name="l01785"></a><span class="lineno"> 1785</span>                                <span class="stringliteral">&quot; since outgoing interface id is negative&quot;</span>);</div>
<div class="line"><a id="l01786" name="l01786"></a><span class="lineno"> 1786</span>                }</div>
<div class="line"><a id="l01787" name="l01787"></a><span class="lineno"> 1787</span>            }</div>
<div class="line"><a id="l01788" name="l01788"></a><span class="lineno"> 1788</span>          <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l01789" name="l01789"></a><span class="lineno"> 1789</span>        } <span class="comment">// if</span></div>
<div class="line"><a id="l01790" name="l01790"></a><span class="lineno"> 1790</span>    } <span class="comment">// for</span></div>
<div class="line"><a id="l01791" name="l01791"></a><span class="lineno"> 1791</span>}</div>
<div class="line"><a id="l01792" name="l01792"></a><span class="lineno"> 1792</span> </div>
<div class="line"><a id="l01793" name="l01793"></a><span class="lineno"> 1793</span> </div>
<div class="line"><a id="l01794" name="l01794"></a><span class="lineno"> 1794</span><span class="comment">// Processing logic from RFC 2328, page 166 and quagga ospf_spf_process_stubs ()</span></div>
<div class="line"><a id="l01795" name="l01795"></a><span class="lineno"> 1795</span><span class="comment">// stub link records will exist for point-to-point interfaces and for</span></div>
<div class="line"><a id="l01796" name="l01796"></a><span class="lineno"> 1796</span><span class="comment">// broadcast interfaces for which no neighboring router can be found</span></div>
<div class="line"><a id="l01797" name="l01797"></a><span class="lineno"> 1797</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l01798" name="l01798"></a><span class="lineno"><a class="line" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a71dd2f4c78a96ecb7d86dd75fd6f78bd"> 1798</a></span><a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a71dd2f4c78a96ecb7d86dd75fd6f78bd">DGRRouteManagerImpl::SPFProcessStubs</a> (<a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* v)</div>
<div class="line"><a id="l01799" name="l01799"></a><span class="lineno"> 1799</span>{</div>
<div class="line"><a id="l01800" name="l01800"></a><span class="lineno"> 1800</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; v);</div>
<div class="line"><a id="l01801" name="l01801"></a><span class="lineno"> 1801</span>  NS_LOG_LOGIC (<span class="stringliteral">&quot;Processing stubs for &quot;</span> &lt;&lt; v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> ());</div>
<div class="line"><a id="l01802" name="l01802"></a><span class="lineno"> 1802</span>  <span class="keywordflow">if</span> (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5999846daefbeb25a5265e80e3f3a078">GetVertexType</a> () == <a class="code hl_enumvalue" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96ccea0d137433dfa77b24862a5f2c116da286">DGRVertex::VertexRouter</a>)</div>
<div class="line"><a id="l01803" name="l01803"></a><span class="lineno"> 1803</span>    {</div>
<div class="line"><a id="l01804" name="l01804"></a><span class="lineno"> 1804</span>      <a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a> *rlsa = v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ();</div>
<div class="line"><a id="l01805" name="l01805"></a><span class="lineno"> 1805</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;Processing router LSA with id &quot;</span> &lt;&lt; rlsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">GetLinkStateId</a> ());</div>
<div class="line"><a id="l01806" name="l01806"></a><span class="lineno"> 1806</span>      <span class="keywordflow">for</span> (uint32_t <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> = 0; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt; rlsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a882a042d18bcbdea3bc1a3eb55dcfe58">GetNLinkRecords</a> (); <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l01807" name="l01807"></a><span class="lineno"> 1807</span>        {</div>
<div class="line"><a id="l01808" name="l01808"></a><span class="lineno"> 1808</span>          NS_LOG_LOGIC (<span class="stringliteral">&quot;Examining link &quot;</span> &lt;&lt; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt;&lt; <span class="stringliteral">&quot; of &quot;</span> &lt;&lt; </div>
<div class="line"><a id="l01809" name="l01809"></a><span class="lineno"> 1809</span>                        v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () &lt;&lt; <span class="stringliteral">&quot;&#39;s &quot;</span> &lt;&lt;</div>
<div class="line"><a id="l01810" name="l01810"></a><span class="lineno"> 1810</span>                        v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ()-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a882a042d18bcbdea3bc1a3eb55dcfe58">GetNLinkRecords</a> () &lt;&lt; <span class="stringliteral">&quot; link records&quot;</span>);</div>
<div class="line"><a id="l01811" name="l01811"></a><span class="lineno"> 1811</span>          <a class="code hl_class" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html">DGRRoutingLinkRecord</a> *l = v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ()-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#acb5df9fec863df510911aa3e64d4aa04">GetLinkRecord</a> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>);</div>
<div class="line"><a id="l01812" name="l01812"></a><span class="lineno"> 1812</span>          <span class="keywordflow">if</span> (l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#ab9148eaf7a9d088a397e66164c1f30b9">GetLinkType</a> () == <a class="code hl_enumvalue" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a93b89b9f89407a39712186911ad12a4ba31c95bb0542fb4fab6cb056f88eea561">DGRRoutingLinkRecord::StubNetwork</a>)</div>
<div class="line"><a id="l01813" name="l01813"></a><span class="lineno"> 1813</span>            {</div>
<div class="line"><a id="l01814" name="l01814"></a><span class="lineno"> 1814</span>              NS_LOG_LOGIC (<span class="stringliteral">&quot;Found a Stub record to &quot;</span> &lt;&lt; l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a9fe6e135674ef321bc11b48f90071857">GetLinkId</a> ());</div>
<div class="line"><a id="l01815" name="l01815"></a><span class="lineno"> 1815</span>              <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a403b832078dcb8a4facb2ae6c7b2ce15">SPFIntraAddStub</a> (l, v);</div>
<div class="line"><a id="l01816" name="l01816"></a><span class="lineno"> 1816</span>              <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l01817" name="l01817"></a><span class="lineno"> 1817</span>            }</div>
<div class="line"><a id="l01818" name="l01818"></a><span class="lineno"> 1818</span>        }</div>
<div class="line"><a id="l01819" name="l01819"></a><span class="lineno"> 1819</span>    }</div>
<div class="line"><a id="l01820" name="l01820"></a><span class="lineno"> 1820</span>  <span class="keywordflow">for</span> (uint32_t <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> = 0; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt; v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a504717b90b3fad088d133c2e71836eaf">GetNChildren</a> (); <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l01821" name="l01821"></a><span class="lineno"> 1821</span>    {</div>
<div class="line"><a id="l01822" name="l01822"></a><span class="lineno"> 1822</span>      <span class="keywordflow">if</span> (!v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aea98bf4a660837344a4c802546249a21">GetChild</a> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>)-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a6afcdedc8616fc035f8c9736d5679cd4">IsVertexProcessed</a> ())</div>
<div class="line"><a id="l01823" name="l01823"></a><span class="lineno"> 1823</span>        {</div>
<div class="line"><a id="l01824" name="l01824"></a><span class="lineno"> 1824</span>          <a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a71dd2f4c78a96ecb7d86dd75fd6f78bd">SPFProcessStubs</a> (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aea98bf4a660837344a4c802546249a21">GetChild</a> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>));</div>
<div class="line"><a id="l01825" name="l01825"></a><span class="lineno"> 1825</span>          v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aea98bf4a660837344a4c802546249a21">GetChild</a> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>)-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aa1718a99ec16d3ebf25949e3edac9168">SetVertexProcessed</a> (<span class="keyword">true</span>);</div>
<div class="line"><a id="l01826" name="l01826"></a><span class="lineno"> 1826</span>        }</div>
<div class="line"><a id="l01827" name="l01827"></a><span class="lineno"> 1827</span>    }</div>
<div class="line"><a id="l01828" name="l01828"></a><span class="lineno"> 1828</span>}</div>
<div class="line"><a id="l01829" name="l01829"></a><span class="lineno"> 1829</span> </div>
<div class="line"><a id="l01830" name="l01830"></a><span class="lineno"> 1830</span><span class="comment">// RFC2328 16.1. second stage. </span></div>
<div class="line"><a id="l01831" name="l01831"></a><span class="lineno"> 1831</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l01832" name="l01832"></a><span class="lineno"><a class="line" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a403b832078dcb8a4facb2ae6c7b2ce15"> 1832</a></span><a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a403b832078dcb8a4facb2ae6c7b2ce15">DGRRouteManagerImpl::SPFIntraAddStub</a> (<a class="code hl_class" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html">DGRRoutingLinkRecord</a> *l, <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* v)</div>
<div class="line"><a id="l01833" name="l01833"></a><span class="lineno"> 1833</span>{</div>
<div class="line"><a id="l01834" name="l01834"></a><span class="lineno"> 1834</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; l &lt;&lt; v);</div>
<div class="line"><a id="l01835" name="l01835"></a><span class="lineno"> 1835</span> </div>
<div class="line"><a id="l01836" name="l01836"></a><span class="lineno"> 1836</span>  NS_ASSERT_MSG (<a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a51238c1122fc794564a658bf852d6910">m_spfroot</a>, </div>
<div class="line"><a id="l01837" name="l01837"></a><span class="lineno"> 1837</span>                 <span class="stringliteral">&quot;DGRRouteManagerImpl::SPFIntraAddStub (): Root pointer not set&quot;</span>);</div>
<div class="line"><a id="l01838" name="l01838"></a><span class="lineno"> 1838</span> </div>
<div class="line"><a id="l01839" name="l01839"></a><span class="lineno"> 1839</span>  <span class="comment">// XXX simplifed logic for the moment.  There are two cases to consider:</span></div>
<div class="line"><a id="l01840" name="l01840"></a><span class="lineno"> 1840</span>  <span class="comment">// 1) the stub network is on this router; do nothing for now</span></div>
<div class="line"><a id="l01841" name="l01841"></a><span class="lineno"> 1841</span>  <span class="comment">//    (already handled above)</span></div>
<div class="line"><a id="l01842" name="l01842"></a><span class="lineno"> 1842</span>  <span class="comment">// 2) the stub network is on a remote router, so I should use the</span></div>
<div class="line"><a id="l01843" name="l01843"></a><span class="lineno"> 1843</span>  <span class="comment">// same next hop that I use to get to vertex v</span></div>
<div class="line"><a id="l01844" name="l01844"></a><span class="lineno"> 1844</span>  <span class="keywordflow">if</span> (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () == <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a51238c1122fc794564a658bf852d6910">m_spfroot</a>-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> ())</div>
<div class="line"><a id="l01845" name="l01845"></a><span class="lineno"> 1845</span>    {</div>
<div class="line"><a id="l01846" name="l01846"></a><span class="lineno"> 1846</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;Stub is on local host: &quot;</span> &lt;&lt; v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () &lt;&lt; <span class="stringliteral">&quot;; returning&quot;</span>);</div>
<div class="line"><a id="l01847" name="l01847"></a><span class="lineno"> 1847</span>      <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l01848" name="l01848"></a><span class="lineno"> 1848</span>    }</div>
<div class="line"><a id="l01849" name="l01849"></a><span class="lineno"> 1849</span>  NS_LOG_LOGIC (<span class="stringliteral">&quot;Stub is on remote host: &quot;</span> &lt;&lt; v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> () &lt;&lt; <span class="stringliteral">&quot;; installing&quot;</span>);</div>
<div class="line"><a id="l01850" name="l01850"></a><span class="lineno"> 1850</span><span class="comment">//</span></div>
<div class="line"><a id="l01851" name="l01851"></a><span class="lineno"> 1851</span><span class="comment">// The root of the Shortest Path First tree is the router to which we are </span></div>
<div class="line"><a id="l01852" name="l01852"></a><span class="lineno"> 1852</span><span class="comment">// going to write the actual routing table entries.  The vertex corresponding</span></div>
<div class="line"><a id="l01853" name="l01853"></a><span class="lineno"> 1853</span><span class="comment">// to this router has a vertex ID which is the router ID of that node.  We&#39;re</span></div>
<div class="line"><a id="l01854" name="l01854"></a><span class="lineno"> 1854</span><span class="comment">// going to use this ID to discover which node it is that we&#39;re actually going</span></div>
<div class="line"><a id="l01855" name="l01855"></a><span class="lineno"> 1855</span><span class="comment">// to update.</span></div>
<div class="line"><a id="l01856" name="l01856"></a><span class="lineno"> 1856</span><span class="comment">//</span></div>
<div class="line"><a id="l01857" name="l01857"></a><span class="lineno"> 1857</span>  Ipv4Address routerId = <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a51238c1122fc794564a658bf852d6910">m_spfroot</a>-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> ();</div>
<div class="line"><a id="l01858" name="l01858"></a><span class="lineno"> 1858</span> </div>
<div class="line"><a id="l01859" name="l01859"></a><span class="lineno"> 1859</span>  NS_LOG_LOGIC (<span class="stringliteral">&quot;Vertex ID = &quot;</span> &lt;&lt; routerId);</div>
<div class="line"><a id="l01860" name="l01860"></a><span class="lineno"> 1860</span><span class="comment">//</span></div>
<div class="line"><a id="l01861" name="l01861"></a><span class="lineno"> 1861</span><span class="comment">// We need to walk the list of nodes looking for the one that has the router</span></div>
<div class="line"><a id="l01862" name="l01862"></a><span class="lineno"> 1862</span><span class="comment">// ID corresponding to the root vertex.  This is the one we&#39;re going to write</span></div>
<div class="line"><a id="l01863" name="l01863"></a><span class="lineno"> 1863</span><span class="comment">// the routing information to.</span></div>
<div class="line"><a id="l01864" name="l01864"></a><span class="lineno"> 1864</span><span class="comment">//</span></div>
<div class="line"><a id="l01865" name="l01865"></a><span class="lineno"> 1865</span>  NodeList::Iterator <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> = NodeList::Begin (); </div>
<div class="line"><a id="l01866" name="l01866"></a><span class="lineno"> 1866</span>  NodeList::Iterator listEnd = NodeList::End ();</div>
<div class="line"><a id="l01867" name="l01867"></a><span class="lineno"> 1867</span>  <span class="keywordflow">for</span> (; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> != listEnd; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l01868" name="l01868"></a><span class="lineno"> 1868</span>    {</div>
<div class="line"><a id="l01869" name="l01869"></a><span class="lineno"> 1869</span>      Ptr&lt;Node&gt; node = *<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>;</div>
<div class="line"><a id="l01870" name="l01870"></a><span class="lineno"> 1870</span><span class="comment">//</span></div>
<div class="line"><a id="l01871" name="l01871"></a><span class="lineno"> 1871</span><span class="comment">// The router ID is accessible through the DGRRouter interface, so we need</span></div>
<div class="line"><a id="l01872" name="l01872"></a><span class="lineno"> 1872</span><span class="comment">// to QI for that interface.  If there&#39;s no DGRRouter interface, the node</span></div>
<div class="line"><a id="l01873" name="l01873"></a><span class="lineno"> 1873</span><span class="comment">// in question cannot be the router we want, so we continue.</span></div>
<div class="line"><a id="l01874" name="l01874"></a><span class="lineno"> 1874</span><span class="comment">// </span></div>
<div class="line"><a id="l01875" name="l01875"></a><span class="lineno"> 1875</span>      Ptr&lt;DGRRouter&gt; rtr = </div>
<div class="line"><a id="l01876" name="l01876"></a><span class="lineno"> 1876</span>        node-&gt;GetObject&lt;<a class="code hl_class" href="../../d0/d56/classns3_1_1_d_g_r_router.html">DGRRouter</a>&gt; ();</div>
<div class="line"><a id="l01877" name="l01877"></a><span class="lineno"> 1877</span> </div>
<div class="line"><a id="l01878" name="l01878"></a><span class="lineno"> 1878</span>      <span class="keywordflow">if</span> (!rtr)</div>
<div class="line"><a id="l01879" name="l01879"></a><span class="lineno"> 1879</span>        {</div>
<div class="line"><a id="l01880" name="l01880"></a><span class="lineno"> 1880</span>          NS_LOG_LOGIC (<span class="stringliteral">&quot;No DGRRouter interface on node &quot;</span> &lt;&lt; </div>
<div class="line"><a id="l01881" name="l01881"></a><span class="lineno"> 1881</span>                        node-&gt;GetId ());</div>
<div class="line"><a id="l01882" name="l01882"></a><span class="lineno"> 1882</span>          <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l01883" name="l01883"></a><span class="lineno"> 1883</span>        }</div>
<div class="line"><a id="l01884" name="l01884"></a><span class="lineno"> 1884</span><span class="comment">//</span></div>
<div class="line"><a id="l01885" name="l01885"></a><span class="lineno"> 1885</span><span class="comment">// If the router ID of the current node is equal to the router ID of the </span></div>
<div class="line"><a id="l01886" name="l01886"></a><span class="lineno"> 1886</span><span class="comment">// root of the SPF tree, then this node is the one for which we need to </span></div>
<div class="line"><a id="l01887" name="l01887"></a><span class="lineno"> 1887</span><span class="comment">// write the routing tables.</span></div>
<div class="line"><a id="l01888" name="l01888"></a><span class="lineno"> 1888</span><span class="comment">//</span></div>
<div class="line"><a id="l01889" name="l01889"></a><span class="lineno"> 1889</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;Considering router &quot;</span> &lt;&lt; rtr-&gt;GetRouterId ());</div>
<div class="line"><a id="l01890" name="l01890"></a><span class="lineno"> 1890</span> </div>
<div class="line"><a id="l01891" name="l01891"></a><span class="lineno"> 1891</span>      <span class="keywordflow">if</span> (rtr-&gt;GetRouterId () == routerId)</div>
<div class="line"><a id="l01892" name="l01892"></a><span class="lineno"> 1892</span>        {</div>
<div class="line"><a id="l01893" name="l01893"></a><span class="lineno"> 1893</span>          NS_LOG_LOGIC (<span class="stringliteral">&quot;Setting routes for node &quot;</span> &lt;&lt; node-&gt;GetId ());</div>
<div class="line"><a id="l01894" name="l01894"></a><span class="lineno"> 1894</span><span class="comment">//</span></div>
<div class="line"><a id="l01895" name="l01895"></a><span class="lineno"> 1895</span><span class="comment">// Routing information is updated using the Ipv4 interface.  We need to QI</span></div>
<div class="line"><a id="l01896" name="l01896"></a><span class="lineno"> 1896</span><span class="comment">// for that interface.  If the node is acting as an IP version 4 router, it</span></div>
<div class="line"><a id="l01897" name="l01897"></a><span class="lineno"> 1897</span><span class="comment">// should absolutely have an Ipv4 interface.</span></div>
<div class="line"><a id="l01898" name="l01898"></a><span class="lineno"> 1898</span><span class="comment">//</span></div>
<div class="line"><a id="l01899" name="l01899"></a><span class="lineno"> 1899</span>          Ptr&lt;Ipv4&gt; ipv4 = node-&gt;GetObject&lt;Ipv4&gt; ();</div>
<div class="line"><a id="l01900" name="l01900"></a><span class="lineno"> 1900</span>          NS_ASSERT_MSG (ipv4, </div>
<div class="line"><a id="l01901" name="l01901"></a><span class="lineno"> 1901</span>                         <span class="stringliteral">&quot;DGRRouteManagerImpl::SPFIntraAddRouter (): &quot;</span></div>
<div class="line"><a id="l01902" name="l01902"></a><span class="lineno"> 1902</span>                         <span class="stringliteral">&quot;QI for &lt;Ipv4&gt; interface failed&quot;</span>);</div>
<div class="line"><a id="l01903" name="l01903"></a><span class="lineno"> 1903</span><span class="comment">//</span></div>
<div class="line"><a id="l01904" name="l01904"></a><span class="lineno"> 1904</span><span class="comment">// Get the Global Router Link State Advertisement from the vertex we&#39;re</span></div>
<div class="line"><a id="l01905" name="l01905"></a><span class="lineno"> 1905</span><span class="comment">// adding the routes to.  The LSA will have a number of attached Global Router</span></div>
<div class="line"><a id="l01906" name="l01906"></a><span class="lineno"> 1906</span><span class="comment">// Link Records corresponding to links off of that vertex / node.  We&#39;re going</span></div>
<div class="line"><a id="l01907" name="l01907"></a><span class="lineno"> 1907</span><span class="comment">// to be interested in the records corresponding to point-to-point links.</span></div>
<div class="line"><a id="l01908" name="l01908"></a><span class="lineno"> 1908</span><span class="comment">//</span></div>
<div class="line"><a id="l01909" name="l01909"></a><span class="lineno"> 1909</span>          NS_ASSERT_MSG (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> (), </div>
<div class="line"><a id="l01910" name="l01910"></a><span class="lineno"> 1910</span>                         <span class="stringliteral">&quot;DGRRouteManagerImpl::SPFIntraAddRouter (): &quot;</span></div>
<div class="line"><a id="l01911" name="l01911"></a><span class="lineno"> 1911</span>                         <span class="stringliteral">&quot;Expected valid LSA in DGRVertex* v&quot;</span>);</div>
<div class="line"><a id="l01912" name="l01912"></a><span class="lineno"> 1912</span>          Ipv4Mask tempmask (l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a97080a8409f77898f4485230be0be5e4">GetLinkData</a> ().Get ());</div>
<div class="line"><a id="l01913" name="l01913"></a><span class="lineno"> 1913</span>          Ipv4Address tempip = l-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a9fe6e135674ef321bc11b48f90071857">GetLinkId</a> ();</div>
<div class="line"><a id="l01914" name="l01914"></a><span class="lineno"> 1914</span>          tempip = tempip.CombineMask (tempmask);</div>
<div class="line"><a id="l01915" name="l01915"></a><span class="lineno"> 1915</span><span class="comment">//</span></div>
<div class="line"><a id="l01916" name="l01916"></a><span class="lineno"> 1916</span><span class="comment">// Here&#39;s why we did all of that work.  We&#39;re going to add a host route to the</span></div>
<div class="line"><a id="l01917" name="l01917"></a><span class="lineno"> 1917</span><span class="comment">// host address found in the m_linkData field of the point-to-point link</span></div>
<div class="line"><a id="l01918" name="l01918"></a><span class="lineno"> 1918</span><span class="comment">// record.  In the case of a point-to-point link, this is the local IP address</span></div>
<div class="line"><a id="l01919" name="l01919"></a><span class="lineno"> 1919</span><span class="comment">// of the node connected to the link.  Each of these point-to-point links</span></div>
<div class="line"><a id="l01920" name="l01920"></a><span class="lineno"> 1920</span><span class="comment">// will correspond to a local interface that has an IP address to which</span></div>
<div class="line"><a id="l01921" name="l01921"></a><span class="lineno"> 1921</span><span class="comment">// the node at the root of the SPF tree can send packets.  The vertex &lt;v&gt; </span></div>
<div class="line"><a id="l01922" name="l01922"></a><span class="lineno"> 1922</span><span class="comment">// (corresponding to the node that has these links and interfaces) has </span></div>
<div class="line"><a id="l01923" name="l01923"></a><span class="lineno"> 1923</span><span class="comment">// an m_nextHop address precalculated for us that is the address to which the</span></div>
<div class="line"><a id="l01924" name="l01924"></a><span class="lineno"> 1924</span><span class="comment">// root node should send packets to be forwarded to these IP addresses.</span></div>
<div class="line"><a id="l01925" name="l01925"></a><span class="lineno"> 1925</span><span class="comment">// Similarly, the vertex &lt;v&gt; has an m_rootOif (outbound interface index) to</span></div>
<div class="line"><a id="l01926" name="l01926"></a><span class="lineno"> 1926</span><span class="comment">// which the packets should be send for forwarding.</span></div>
<div class="line"><a id="l01927" name="l01927"></a><span class="lineno"> 1927</span><span class="comment">//</span></div>
<div class="line"><a id="l01928" name="l01928"></a><span class="lineno"> 1928</span> </div>
<div class="line"><a id="l01929" name="l01929"></a><span class="lineno"> 1929</span>          Ptr&lt;DGRRouter&gt; router = node-&gt;GetObject&lt;<a class="code hl_class" href="../../d0/d56/classns3_1_1_d_g_r_router.html">DGRRouter</a>&gt; ();</div>
<div class="line"><a id="l01930" name="l01930"></a><span class="lineno"> 1930</span>          <span class="keywordflow">if</span> (!router)</div>
<div class="line"><a id="l01931" name="l01931"></a><span class="lineno"> 1931</span>            {</div>
<div class="line"><a id="l01932" name="l01932"></a><span class="lineno"> 1932</span>              <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l01933" name="l01933"></a><span class="lineno"> 1933</span>            }</div>
<div class="line"><a id="l01934" name="l01934"></a><span class="lineno"> 1934</span>          Ptr&lt;Ipv4DGRRouting&gt; gr = router-&gt;<a class="code hl_function" href="../../d0/d56/classns3_1_1_d_g_r_router.html#a87f63cac54a25accafa7c849a9aa0dbc">GetRoutingProtocol</a> ();</div>
<div class="line"><a id="l01935" name="l01935"></a><span class="lineno"> 1935</span>          NS_ASSERT (gr);</div>
<div class="line"><a id="l01936" name="l01936"></a><span class="lineno"> 1936</span>          <span class="comment">// walk through all next-hop-IPs and out-going-interfaces for reaching</span></div>
<div class="line"><a id="l01937" name="l01937"></a><span class="lineno"> 1937</span>          <span class="comment">// the stub network gateway &#39;v&#39; from the root node</span></div>
<div class="line"><a id="l01938" name="l01938"></a><span class="lineno"> 1938</span>          <span class="keywordflow">for</span> (uint32_t <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> = 0; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt; v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a691c41409919639a4aaea1443fa26ed5">GetNRootExitDirections</a> (); <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l01939" name="l01939"></a><span class="lineno"> 1939</span>            {</div>
<div class="line"><a id="l01940" name="l01940"></a><span class="lineno"> 1940</span>              <a class="code hl_typedef" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aace20b0a545f431fbc5e3d6a2c149d44">DGRVertex::NodeExit_t</a> exit = v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a9e66f0b2ee7432156046e75672968138">GetRootExitDirection</a> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>);</div>
<div class="line"><a id="l01941" name="l01941"></a><span class="lineno"> 1941</span>              Ipv4Address nextHop = exit.first;</div>
<div class="line"><a id="l01942" name="l01942"></a><span class="lineno"> 1942</span>              int32_t outIf = exit.second;</div>
<div class="line"><a id="l01943" name="l01943"></a><span class="lineno"> 1943</span>              <span class="keywordflow">if</span> (outIf &gt;= 0)</div>
<div class="line"><a id="l01944" name="l01944"></a><span class="lineno"> 1944</span>                {</div>
<div class="line"><a id="l01945" name="l01945"></a><span class="lineno"> 1945</span>                  gr-&gt;AddNetworkRouteTo (tempip, tempmask, nextHop, outIf);</div>
<div class="line"><a id="l01946" name="l01946"></a><span class="lineno"> 1946</span>                  NS_LOG_LOGIC (<span class="stringliteral">&quot;(Route &quot;</span> &lt;&lt; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt;&lt; <span class="stringliteral">&quot;) Node &quot;</span> &lt;&lt; node-&gt;GetId () &lt;&lt;</div>
<div class="line"><a id="l01947" name="l01947"></a><span class="lineno"> 1947</span>                                <span class="stringliteral">&quot; add network route to &quot;</span> &lt;&lt; tempip &lt;&lt;</div>
<div class="line"><a id="l01948" name="l01948"></a><span class="lineno"> 1948</span>                                <span class="stringliteral">&quot; using next hop &quot;</span> &lt;&lt; nextHop &lt;&lt;</div>
<div class="line"><a id="l01949" name="l01949"></a><span class="lineno"> 1949</span>                                <span class="stringliteral">&quot; via interface &quot;</span> &lt;&lt; outIf);</div>
<div class="line"><a id="l01950" name="l01950"></a><span class="lineno"> 1950</span>                }</div>
<div class="line"><a id="l01951" name="l01951"></a><span class="lineno"> 1951</span>              <span class="keywordflow">else</span></div>
<div class="line"><a id="l01952" name="l01952"></a><span class="lineno"> 1952</span>                {</div>
<div class="line"><a id="l01953" name="l01953"></a><span class="lineno"> 1953</span>                  NS_LOG_LOGIC (<span class="stringliteral">&quot;(Route &quot;</span> &lt;&lt; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt;&lt; <span class="stringliteral">&quot;) Node &quot;</span> &lt;&lt; node-&gt;GetId () &lt;&lt;</div>
<div class="line"><a id="l01954" name="l01954"></a><span class="lineno"> 1954</span>                                <span class="stringliteral">&quot; NOT able to add network route to &quot;</span> &lt;&lt; tempip &lt;&lt;</div>
<div class="line"><a id="l01955" name="l01955"></a><span class="lineno"> 1955</span>                                <span class="stringliteral">&quot; using next hop &quot;</span> &lt;&lt; nextHop &lt;&lt;</div>
<div class="line"><a id="l01956" name="l01956"></a><span class="lineno"> 1956</span>                                <span class="stringliteral">&quot; since outgoing interface id is negative&quot;</span>);</div>
<div class="line"><a id="l01957" name="l01957"></a><span class="lineno"> 1957</span>                }</div>
<div class="line"><a id="l01958" name="l01958"></a><span class="lineno"> 1958</span>            }</div>
<div class="line"><a id="l01959" name="l01959"></a><span class="lineno"> 1959</span>          <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l01960" name="l01960"></a><span class="lineno"> 1960</span>        } <span class="comment">// if</span></div>
<div class="line"><a id="l01961" name="l01961"></a><span class="lineno"> 1961</span>    } <span class="comment">// for</span></div>
<div class="line"><a id="l01962" name="l01962"></a><span class="lineno"> 1962</span>}</div>
<div class="line"><a id="l01963" name="l01963"></a><span class="lineno"> 1963</span> </div>
<div class="line"><a id="l01964" name="l01964"></a><span class="lineno"> 1964</span><span class="comment">//</span></div>
<div class="line"><a id="l01965" name="l01965"></a><span class="lineno"> 1965</span><span class="comment">// Return the interface number corresponding to a given IP address and mask</span></div>
<div class="line"><a id="l01966" name="l01966"></a><span class="lineno"> 1966</span><span class="comment">// This is a wrapper around GetInterfaceForPrefix(), but we first</span></div>
<div class="line"><a id="l01967" name="l01967"></a><span class="lineno"> 1967</span><span class="comment">// have to find the right node pointer to pass to that function.</span></div>
<div class="line"><a id="l01968" name="l01968"></a><span class="lineno"> 1968</span><span class="comment">// If no such interface is found, return -1 (note:  unit test framework</span></div>
<div class="line"><a id="l01969" name="l01969"></a><span class="lineno"> 1969</span><span class="comment">// for routing assumes -1 to be a legal return value)</span></div>
<div class="line"><a id="l01970" name="l01970"></a><span class="lineno"> 1970</span><span class="comment">//</span></div>
<div class="line"><a id="l01971" name="l01971"></a><span class="lineno"> 1971</span>int32_t</div>
<div class="line"><a id="l01972" name="l01972"></a><span class="lineno"><a class="line" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a017c230a5a38bc81243ebf39e94bd36b"> 1972</a></span><a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a017c230a5a38bc81243ebf39e94bd36b">DGRRouteManagerImpl::FindOutgoingInterfaceId</a> (Ipv4Address a, Ipv4Mask amask)</div>
<div class="line"><a id="l01973" name="l01973"></a><span class="lineno"> 1973</span>{</div>
<div class="line"><a id="l01974" name="l01974"></a><span class="lineno"> 1974</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; a &lt;&lt; amask);</div>
<div class="line"><a id="l01975" name="l01975"></a><span class="lineno"> 1975</span><span class="comment">//</span></div>
<div class="line"><a id="l01976" name="l01976"></a><span class="lineno"> 1976</span><span class="comment">// We have an IP address &lt;a&gt; and a vertex ID of the root of the SPF tree.</span></div>
<div class="line"><a id="l01977" name="l01977"></a><span class="lineno"> 1977</span><span class="comment">// The question is what interface index does this address correspond to.</span></div>
<div class="line"><a id="l01978" name="l01978"></a><span class="lineno"> 1978</span><span class="comment">// The answer is a little complicated since we have to find a pointer to</span></div>
<div class="line"><a id="l01979" name="l01979"></a><span class="lineno"> 1979</span><span class="comment">// the node corresponding to the vertex ID, find the Ipv4 interface on that</span></div>
<div class="line"><a id="l01980" name="l01980"></a><span class="lineno"> 1980</span><span class="comment">// node in order to iterate the interfaces and find the one corresponding to</span></div>
<div class="line"><a id="l01981" name="l01981"></a><span class="lineno"> 1981</span><span class="comment">// the address in question.</span></div>
<div class="line"><a id="l01982" name="l01982"></a><span class="lineno"> 1982</span><span class="comment">//</span></div>
<div class="line"><a id="l01983" name="l01983"></a><span class="lineno"> 1983</span>  Ipv4Address routerId = <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a51238c1122fc794564a658bf852d6910">m_spfroot</a>-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> ();</div>
<div class="line"><a id="l01984" name="l01984"></a><span class="lineno"> 1984</span><span class="comment">//</span></div>
<div class="line"><a id="l01985" name="l01985"></a><span class="lineno"> 1985</span><span class="comment">// Walk the list of nodes in the system looking for the one corresponding to</span></div>
<div class="line"><a id="l01986" name="l01986"></a><span class="lineno"> 1986</span><span class="comment">// the node at the root of the SPF tree.  This is the node for which we are</span></div>
<div class="line"><a id="l01987" name="l01987"></a><span class="lineno"> 1987</span><span class="comment">// building the routing table.</span></div>
<div class="line"><a id="l01988" name="l01988"></a><span class="lineno"> 1988</span><span class="comment">//</span></div>
<div class="line"><a id="l01989" name="l01989"></a><span class="lineno"> 1989</span>  NodeList::Iterator <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> = NodeList::Begin (); </div>
<div class="line"><a id="l01990" name="l01990"></a><span class="lineno"> 1990</span>  NodeList::Iterator listEnd = NodeList::End ();</div>
<div class="line"><a id="l01991" name="l01991"></a><span class="lineno"> 1991</span>  <span class="keywordflow">for</span> (; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> != listEnd; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l01992" name="l01992"></a><span class="lineno"> 1992</span>    {</div>
<div class="line"><a id="l01993" name="l01993"></a><span class="lineno"> 1993</span>      Ptr&lt;Node&gt; node = *<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>;</div>
<div class="line"><a id="l01994" name="l01994"></a><span class="lineno"> 1994</span> </div>
<div class="line"><a id="l01995" name="l01995"></a><span class="lineno"> 1995</span>      Ptr&lt;DGRRouter&gt; rtr = </div>
<div class="line"><a id="l01996" name="l01996"></a><span class="lineno"> 1996</span>        node-&gt;GetObject&lt;<a class="code hl_class" href="../../d0/d56/classns3_1_1_d_g_r_router.html">DGRRouter</a>&gt; ();</div>
<div class="line"><a id="l01997" name="l01997"></a><span class="lineno"> 1997</span><span class="comment">//</span></div>
<div class="line"><a id="l01998" name="l01998"></a><span class="lineno"> 1998</span><span class="comment">// If the node doesn&#39;t have a DGRRouter interface it can&#39;t be the one</span></div>
<div class="line"><a id="l01999" name="l01999"></a><span class="lineno"> 1999</span><span class="comment">// we&#39;re interested in.</span></div>
<div class="line"><a id="l02000" name="l02000"></a><span class="lineno"> 2000</span><span class="comment">//</span></div>
<div class="line"><a id="l02001" name="l02001"></a><span class="lineno"> 2001</span>      <span class="keywordflow">if</span> (!rtr)</div>
<div class="line"><a id="l02002" name="l02002"></a><span class="lineno"> 2002</span>        {</div>
<div class="line"><a id="l02003" name="l02003"></a><span class="lineno"> 2003</span>          <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l02004" name="l02004"></a><span class="lineno"> 2004</span>        }</div>
<div class="line"><a id="l02005" name="l02005"></a><span class="lineno"> 2005</span> </div>
<div class="line"><a id="l02006" name="l02006"></a><span class="lineno"> 2006</span>      <span class="keywordflow">if</span> (rtr-&gt;GetRouterId () == routerId)</div>
<div class="line"><a id="l02007" name="l02007"></a><span class="lineno"> 2007</span>        {</div>
<div class="line"><a id="l02008" name="l02008"></a><span class="lineno"> 2008</span><span class="comment">//</span></div>
<div class="line"><a id="l02009" name="l02009"></a><span class="lineno"> 2009</span><span class="comment">// This is the node we&#39;re building the routing table for.  We&#39;re going to need</span></div>
<div class="line"><a id="l02010" name="l02010"></a><span class="lineno"> 2010</span><span class="comment">// the Ipv4 interface to look for the ipv4 interface index.  Since this node</span></div>
<div class="line"><a id="l02011" name="l02011"></a><span class="lineno"> 2011</span><span class="comment">// is participating in routing IP version 4 packets, it certainly must have </span></div>
<div class="line"><a id="l02012" name="l02012"></a><span class="lineno"> 2012</span><span class="comment">// an Ipv4 interface.</span></div>
<div class="line"><a id="l02013" name="l02013"></a><span class="lineno"> 2013</span><span class="comment">//</span></div>
<div class="line"><a id="l02014" name="l02014"></a><span class="lineno"> 2014</span>          Ptr&lt;Ipv4&gt; ipv4 = node-&gt;GetObject&lt;Ipv4&gt; ();</div>
<div class="line"><a id="l02015" name="l02015"></a><span class="lineno"> 2015</span>          NS_ASSERT_MSG (ipv4, </div>
<div class="line"><a id="l02016" name="l02016"></a><span class="lineno"> 2016</span>                         <span class="stringliteral">&quot;DGRRouteManagerImpl::FindOutgoingInterfaceId (): &quot;</span></div>
<div class="line"><a id="l02017" name="l02017"></a><span class="lineno"> 2017</span>                         <span class="stringliteral">&quot;GetObject for &lt;Ipv4&gt; interface failed&quot;</span>);</div>
<div class="line"><a id="l02018" name="l02018"></a><span class="lineno"> 2018</span><span class="comment">//</span></div>
<div class="line"><a id="l02019" name="l02019"></a><span class="lineno"> 2019</span><span class="comment">// Look through the interfaces on this node for one that has the IP address</span></div>
<div class="line"><a id="l02020" name="l02020"></a><span class="lineno"> 2020</span><span class="comment">// we&#39;re looking for.  If we find one, return the corresponding interface</span></div>
<div class="line"><a id="l02021" name="l02021"></a><span class="lineno"> 2021</span><span class="comment">// index, or -1 if not found.</span></div>
<div class="line"><a id="l02022" name="l02022"></a><span class="lineno"> 2022</span><span class="comment">//</span></div>
<div class="line"><a id="l02023" name="l02023"></a><span class="lineno"> 2023</span>          int32_t <span class="keyword">interface </span>= ipv4-&gt;GetInterfaceForPrefix (a, amask);</div>
<div class="line"><a id="l02024" name="l02024"></a><span class="lineno"> 2024</span> </div>
<div class="line"><a id="l02025" name="l02025"></a><span class="lineno"> 2025</span><span class="preprocessor">#if 0</span></div>
<div class="line"><a id="l02026" name="l02026"></a><span class="lineno"> 2026</span>          <span class="keywordflow">if</span> (interface &lt; 0)</div>
<div class="line"><a id="l02027" name="l02027"></a><span class="lineno"> 2027</span>            {</div>
<div class="line"><a id="l02028" name="l02028"></a><span class="lineno"> 2028</span>              NS_FATAL_ERROR (<span class="stringliteral">&quot;DGRRouteManagerImpl::FindOutgoingInterfaceId(): &quot;</span></div>
<div class="line"><a id="l02029" name="l02029"></a><span class="lineno"> 2029</span>                              <span class="stringliteral">&quot;Expected an interface associated with address a:&quot;</span> &lt;&lt; a);</div>
<div class="line"><a id="l02030" name="l02030"></a><span class="lineno"> 2030</span>            }</div>
<div class="line"><a id="l02031" name="l02031"></a><span class="lineno"> 2031</span><span class="preprocessor">#endif </span></div>
<div class="line"><a id="l02032" name="l02032"></a><span class="lineno"> 2032</span>          <span class="keywordflow">return</span> interface;</div>
<div class="line"><a id="l02033" name="l02033"></a><span class="lineno"> 2033</span>        }</div>
<div class="line"><a id="l02034" name="l02034"></a><span class="lineno"> 2034</span>    }</div>
<div class="line"><a id="l02035" name="l02035"></a><span class="lineno"> 2035</span><span class="comment">//</span></div>
<div class="line"><a id="l02036" name="l02036"></a><span class="lineno"> 2036</span><span class="comment">// Couldn&#39;t find it.</span></div>
<div class="line"><a id="l02037" name="l02037"></a><span class="lineno"> 2037</span><span class="comment">//</span></div>
<div class="line"><a id="l02038" name="l02038"></a><span class="lineno"> 2038</span>  NS_LOG_LOGIC (<span class="stringliteral">&quot;FindOutgoingInterfaceId():Can&#39;t find root node &quot;</span> &lt;&lt; routerId);</div>
<div class="line"><a id="l02039" name="l02039"></a><span class="lineno"> 2039</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a id="l02040" name="l02040"></a><span class="lineno"> 2040</span>}</div>
<div class="line"><a id="l02041" name="l02041"></a><span class="lineno"> 2041</span> </div>
<div class="line"><a id="l02042" name="l02042"></a><span class="lineno"> 2042</span><span class="comment">//</span></div>
<div class="line"><a id="l02043" name="l02043"></a><span class="lineno"> 2043</span><span class="comment">// This method is derived from quagga ospf_intra_add_router ()</span></div>
<div class="line"><a id="l02044" name="l02044"></a><span class="lineno"> 2044</span><span class="comment">//</span></div>
<div class="line"><a id="l02045" name="l02045"></a><span class="lineno"> 2045</span><span class="comment">// This is where we are actually going to add the host routes to the routing</span></div>
<div class="line"><a id="l02046" name="l02046"></a><span class="lineno"> 2046</span><span class="comment">// tables of the individual nodes.</span></div>
<div class="line"><a id="l02047" name="l02047"></a><span class="lineno"> 2047</span><span class="comment">//</span></div>
<div class="line"><a id="l02048" name="l02048"></a><span class="lineno"> 2048</span><span class="comment">// The vertex passed as a parameter has just been added to the SPF tree.</span></div>
<div class="line"><a id="l02049" name="l02049"></a><span class="lineno"> 2049</span><span class="comment">// This vertex must have a valid m_root_oid, corresponding to the outgoing</span></div>
<div class="line"><a id="l02050" name="l02050"></a><span class="lineno"> 2050</span><span class="comment">// interface on the root router of the tree that is the first hop on the path</span></div>
<div class="line"><a id="l02051" name="l02051"></a><span class="lineno"> 2051</span><span class="comment">// to the vertex.  The vertex must also have a next hop address, corresponding</span></div>
<div class="line"><a id="l02052" name="l02052"></a><span class="lineno"> 2052</span><span class="comment">// to the next hop on the path to the vertex.  The vertex has an m_lsa field</span></div>
<div class="line"><a id="l02053" name="l02053"></a><span class="lineno"> 2053</span><span class="comment">// that has some number of link records.  For each point to point link record,</span></div>
<div class="line"><a id="l02054" name="l02054"></a><span class="lineno"> 2054</span><span class="comment">// the m_linkData is the local IP address of the link.  This corresponds to</span></div>
<div class="line"><a id="l02055" name="l02055"></a><span class="lineno"> 2055</span><span class="comment">// a destination IP address, reachable from the root, to which we add a host</span></div>
<div class="line"><a id="l02056" name="l02056"></a><span class="lineno"> 2056</span><span class="comment">// route.</span></div>
<div class="line"><a id="l02057" name="l02057"></a><span class="lineno"> 2057</span><span class="comment">//</span></div>
<div class="line"><a id="l02058" name="l02058"></a><span class="lineno"> 2058</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l02059" name="l02059"></a><span class="lineno"><a class="line" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a58756bc6216f5ebe1941a2102ae4cdf9"> 2059</a></span><a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a58756bc6216f5ebe1941a2102ae4cdf9">DGRRouteManagerImpl::SPFIntraAddRouter</a> (<a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* v, <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* v_init, Ipv4Address nextHop, uint32_t Iface)</div>
<div class="line"><a id="l02060" name="l02060"></a><span class="lineno"> 2060</span>{</div>
<div class="line"><a id="l02061" name="l02061"></a><span class="lineno"> 2061</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; v);</div>
<div class="line"><a id="l02062" name="l02062"></a><span class="lineno"> 2062</span> </div>
<div class="line"><a id="l02063" name="l02063"></a><span class="lineno"> 2063</span>  NS_ASSERT_MSG (<a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a51238c1122fc794564a658bf852d6910">m_spfroot</a>, </div>
<div class="line"><a id="l02064" name="l02064"></a><span class="lineno"> 2064</span>                 <span class="stringliteral">&quot;DGRRouteManagerImpl::SPFIntraAddRouter (): Root pointer not set&quot;</span>);</div>
<div class="line"><a id="l02065" name="l02065"></a><span class="lineno"> 2065</span><span class="comment">//</span></div>
<div class="line"><a id="l02066" name="l02066"></a><span class="lineno"> 2066</span><span class="comment">// The root of the Shortest Path First tree is the router to which we are </span></div>
<div class="line"><a id="l02067" name="l02067"></a><span class="lineno"> 2067</span><span class="comment">// going to write the actual routing table entries.  The vertex corresponding</span></div>
<div class="line"><a id="l02068" name="l02068"></a><span class="lineno"> 2068</span><span class="comment">// to this router has a vertex ID which is the router ID of that node.  We&#39;re</span></div>
<div class="line"><a id="l02069" name="l02069"></a><span class="lineno"> 2069</span><span class="comment">// going to use this ID to discover which node it is that we&#39;re actually going</span></div>
<div class="line"><a id="l02070" name="l02070"></a><span class="lineno"> 2070</span><span class="comment">// to update.</span></div>
<div class="line"><a id="l02071" name="l02071"></a><span class="lineno"> 2071</span><span class="comment">//</span></div>
<div class="line"><a id="l02072" name="l02072"></a><span class="lineno"> 2072</span>  Ipv4Address routerId = <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a51238c1122fc794564a658bf852d6910">m_spfroot</a>-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> ();</div>
<div class="line"><a id="l02073" name="l02073"></a><span class="lineno"> 2073</span> </div>
<div class="line"><a id="l02078" name="l02078"></a><span class="lineno"> 2078</span>  Ipv4Address routerId_init = v_init-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> ();</div>
<div class="line"><a id="l02079" name="l02079"></a><span class="lineno"> 2079</span>  NS_LOG_LOGIC (<span class="stringliteral">&quot;Vertex ID = &quot;</span> &lt;&lt; routerId);</div>
<div class="line"><a id="l02080" name="l02080"></a><span class="lineno"> 2080</span> </div>
<div class="line"><a id="l02081" name="l02081"></a><span class="lineno"> 2081</span><span class="comment">//</span></div>
<div class="line"><a id="l02082" name="l02082"></a><span class="lineno"> 2082</span><span class="comment">// We need to walk the list of nodes looking for the one that has the router</span></div>
<div class="line"><a id="l02083" name="l02083"></a><span class="lineno"> 2083</span><span class="comment">// ID corresponding to the root vertex.  This is the one we&#39;re going to write</span></div>
<div class="line"><a id="l02084" name="l02084"></a><span class="lineno"> 2084</span><span class="comment">// the routing information to.</span></div>
<div class="line"><a id="l02085" name="l02085"></a><span class="lineno"> 2085</span><span class="comment">//</span></div>
<div class="line"><a id="l02086" name="l02086"></a><span class="lineno"> 2086</span> </div>
<div class="line"><a id="l02087" name="l02087"></a><span class="lineno"> 2087</span>  NodeList::Iterator listEnd = NodeList::End ();</div>
<div class="line"><a id="l02088" name="l02088"></a><span class="lineno"> 2088</span>  NodeList::Iterator <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> = NodeList::Begin (); </div>
<div class="line"><a id="l02089" name="l02089"></a><span class="lineno"> 2089</span>  </div>
<div class="line"><a id="l02090" name="l02090"></a><span class="lineno"> 2090</span>  <span class="keywordflow">for</span> (; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> != listEnd; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l02091" name="l02091"></a><span class="lineno"> 2091</span>    {</div>
<div class="line"><a id="l02092" name="l02092"></a><span class="lineno"> 2092</span>      Ptr&lt;Node&gt; node = *<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>;</div>
<div class="line"><a id="l02093" name="l02093"></a><span class="lineno"> 2093</span><span class="comment">//</span></div>
<div class="line"><a id="l02094" name="l02094"></a><span class="lineno"> 2094</span><span class="comment">// The router ID is accessible through the GlobalRouter interface, so we need</span></div>
<div class="line"><a id="l02095" name="l02095"></a><span class="lineno"> 2095</span><span class="comment">// to GetObject for that interface.  If there&#39;s no GlobalRouter interface, </span></div>
<div class="line"><a id="l02096" name="l02096"></a><span class="lineno"> 2096</span><span class="comment">// the node in question cannot be the router we want, so we continue.</span></div>
<div class="line"><a id="l02097" name="l02097"></a><span class="lineno"> 2097</span><span class="comment">// </span></div>
<div class="line"><a id="l02098" name="l02098"></a><span class="lineno"> 2098</span>      Ptr&lt;DGRRouter&gt; rtr = </div>
<div class="line"><a id="l02099" name="l02099"></a><span class="lineno"> 2099</span>        node-&gt;GetObject&lt;<a class="code hl_class" href="../../d0/d56/classns3_1_1_d_g_r_router.html">DGRRouter</a>&gt; ();</div>
<div class="line"><a id="l02100" name="l02100"></a><span class="lineno"> 2100</span> </div>
<div class="line"><a id="l02101" name="l02101"></a><span class="lineno"> 2101</span>      <span class="keywordflow">if</span> (!rtr)</div>
<div class="line"><a id="l02102" name="l02102"></a><span class="lineno"> 2102</span>        {</div>
<div class="line"><a id="l02103" name="l02103"></a><span class="lineno"> 2103</span>          NS_LOG_LOGIC (<span class="stringliteral">&quot;No GlobalRouter interface on node &quot;</span> &lt;&lt; </div>
<div class="line"><a id="l02104" name="l02104"></a><span class="lineno"> 2104</span>                        node-&gt;GetId ());</div>
<div class="line"><a id="l02105" name="l02105"></a><span class="lineno"> 2105</span>          <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l02106" name="l02106"></a><span class="lineno"> 2106</span>        }</div>
<div class="line"><a id="l02107" name="l02107"></a><span class="lineno"> 2107</span>        <span class="comment">// std::cout &lt;&lt; &quot;The neighbour node &quot; &lt;&lt; node-&gt;GetId () &lt;&lt; std::endl;</span></div>
<div class="line"><a id="l02108" name="l02108"></a><span class="lineno"> 2108</span><span class="comment">//</span></div>
<div class="line"><a id="l02109" name="l02109"></a><span class="lineno"> 2109</span><span class="comment">// If the router ID of the current node is equal to the router ID of the </span></div>
<div class="line"><a id="l02110" name="l02110"></a><span class="lineno"> 2110</span><span class="comment">// root of the SPF tree, then this node is the one for which we need to </span></div>
<div class="line"><a id="l02111" name="l02111"></a><span class="lineno"> 2111</span><span class="comment">// write the routing tables.</span></div>
<div class="line"><a id="l02112" name="l02112"></a><span class="lineno"> 2112</span><span class="comment">//</span></div>
<div class="line"><a id="l02113" name="l02113"></a><span class="lineno"> 2113</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;Considering router &quot;</span> &lt;&lt; rtr-&gt;GetRouterId ());</div>
<div class="line"><a id="l02114" name="l02114"></a><span class="lineno"> 2114</span> </div>
<div class="line"><a id="l02115" name="l02115"></a><span class="lineno"> 2115</span>      <span class="keywordflow">if</span> (rtr-&gt;GetRouterId () == routerId_init)</div>
<div class="line"><a id="l02116" name="l02116"></a><span class="lineno"> 2116</span>        {</div>
<div class="line"><a id="l02117" name="l02117"></a><span class="lineno"> 2117</span>          NS_LOG_LOGIC (<span class="stringliteral">&quot;Setting routes for node &quot;</span> &lt;&lt; node-&gt;GetId ());</div>
<div class="line"><a id="l02118" name="l02118"></a><span class="lineno"> 2118</span><span class="comment">//</span></div>
<div class="line"><a id="l02119" name="l02119"></a><span class="lineno"> 2119</span><span class="comment">// Routing information is updated using the Ipv4 interface.  We need to </span></div>
<div class="line"><a id="l02120" name="l02120"></a><span class="lineno"> 2120</span><span class="comment">// GetObject for that interface.  If the node is acting as an IP version 4 </span></div>
<div class="line"><a id="l02121" name="l02121"></a><span class="lineno"> 2121</span><span class="comment">// router, it should absolutely have an Ipv4 interface.</span></div>
<div class="line"><a id="l02122" name="l02122"></a><span class="lineno"> 2122</span><span class="comment">//</span></div>
<div class="line"><a id="l02123" name="l02123"></a><span class="lineno"> 2123</span>          Ptr&lt;Ipv4&gt; ipv4 = node-&gt;GetObject&lt;Ipv4&gt; ();</div>
<div class="line"><a id="l02124" name="l02124"></a><span class="lineno"> 2124</span>          NS_ASSERT_MSG (ipv4, </div>
<div class="line"><a id="l02125" name="l02125"></a><span class="lineno"> 2125</span>                         <span class="stringliteral">&quot;DGRRouteManagerImpl::SPFIntraAddRouter (): &quot;</span></div>
<div class="line"><a id="l02126" name="l02126"></a><span class="lineno"> 2126</span>                         <span class="stringliteral">&quot;GetObject for &lt;Ipv4&gt; interface failed&quot;</span>);</div>
<div class="line"><a id="l02127" name="l02127"></a><span class="lineno"> 2127</span><span class="comment">//</span></div>
<div class="line"><a id="l02128" name="l02128"></a><span class="lineno"> 2128</span><span class="comment">// Get the Global Router Link State Advertisement from the vertex we&#39;re</span></div>
<div class="line"><a id="l02129" name="l02129"></a><span class="lineno"> 2129</span><span class="comment">// adding the routes to.  The LSA will have a number of attached Global Router</span></div>
<div class="line"><a id="l02130" name="l02130"></a><span class="lineno"> 2130</span><span class="comment">// Link Records corresponding to links off of that vertex / node.  We&#39;re going</span></div>
<div class="line"><a id="l02131" name="l02131"></a><span class="lineno"> 2131</span><span class="comment">// to be interested in the records corresponding to point-to-point links.</span></div>
<div class="line"><a id="l02132" name="l02132"></a><span class="lineno"> 2132</span><span class="comment">//</span></div>
<div class="line"><a id="l02133" name="l02133"></a><span class="lineno"> 2133</span>          <a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a> *lsa = v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ();</div>
<div class="line"><a id="l02134" name="l02134"></a><span class="lineno"> 2134</span>          NS_ASSERT_MSG (lsa, </div>
<div class="line"><a id="l02135" name="l02135"></a><span class="lineno"> 2135</span>                         <span class="stringliteral">&quot;DGRRouteManagerImpl::SPFIntraAddRouter (): &quot;</span></div>
<div class="line"><a id="l02136" name="l02136"></a><span class="lineno"> 2136</span>                         <span class="stringliteral">&quot;Expected valid LSA in DGRVertex* v&quot;</span>);</div>
<div class="line"><a id="l02137" name="l02137"></a><span class="lineno"> 2137</span> </div>
<div class="line"><a id="l02138" name="l02138"></a><span class="lineno"> 2138</span>          uint32_t nLinkRecords = lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a882a042d18bcbdea3bc1a3eb55dcfe58">GetNLinkRecords</a> ();</div>
<div class="line"><a id="l02139" name="l02139"></a><span class="lineno"> 2139</span><span class="comment">//</span></div>
<div class="line"><a id="l02140" name="l02140"></a><span class="lineno"> 2140</span><span class="comment">// Iterate through the link records on the vertex to which we&#39;re going to add</span></div>
<div class="line"><a id="l02141" name="l02141"></a><span class="lineno"> 2141</span><span class="comment">// routes.  To make sure we&#39;re being clear, we&#39;re going to add routing table</span></div>
<div class="line"><a id="l02142" name="l02142"></a><span class="lineno"> 2142</span><span class="comment">// entries to the tables on the node corresping to the root of the SPF tree.</span></div>
<div class="line"><a id="l02143" name="l02143"></a><span class="lineno"> 2143</span><span class="comment">// These entries will have routes to the IP addresses we find from looking at</span></div>
<div class="line"><a id="l02144" name="l02144"></a><span class="lineno"> 2144</span><span class="comment">// the local side of the point-to-point links found on the node described by</span></div>
<div class="line"><a id="l02145" name="l02145"></a><span class="lineno"> 2145</span><span class="comment">// the vertex &lt;v&gt;.</span></div>
<div class="line"><a id="l02146" name="l02146"></a><span class="lineno"> 2146</span><span class="comment">//</span></div>
<div class="line"><a id="l02147" name="l02147"></a><span class="lineno"> 2147</span>          NS_LOG_LOGIC (<span class="stringliteral">&quot; Node &quot;</span> &lt;&lt; node-&gt;GetId () &lt;&lt;</div>
<div class="line"><a id="l02148" name="l02148"></a><span class="lineno"> 2148</span>                        <span class="stringliteral">&quot; found &quot;</span> &lt;&lt; nLinkRecords &lt;&lt; <span class="stringliteral">&quot; link records in LSA &quot;</span> &lt;&lt; lsa &lt;&lt; <span class="stringliteral">&quot;with LinkStateId &quot;</span>&lt;&lt; lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">GetLinkStateId</a> ());</div>
<div class="line"><a id="l02149" name="l02149"></a><span class="lineno"> 2149</span>          <span class="keywordflow">for</span> (uint32_t j = 0; j &lt; nLinkRecords; ++j)</div>
<div class="line"><a id="l02150" name="l02150"></a><span class="lineno"> 2150</span>            {</div>
<div class="line"><a id="l02151" name="l02151"></a><span class="lineno"> 2151</span><span class="comment">//</span></div>
<div class="line"><a id="l02152" name="l02152"></a><span class="lineno"> 2152</span><span class="comment">// We are only concerned about point-to-point links</span></div>
<div class="line"><a id="l02153" name="l02153"></a><span class="lineno"> 2153</span><span class="comment">//</span></div>
<div class="line"><a id="l02154" name="l02154"></a><span class="lineno"> 2154</span>              <a class="code hl_class" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html">DGRRoutingLinkRecord</a> *lr = lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#acb5df9fec863df510911aa3e64d4aa04">GetLinkRecord</a> (j);</div>
<div class="line"><a id="l02155" name="l02155"></a><span class="lineno"> 2155</span>              <span class="keywordflow">if</span> (lr-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#ab9148eaf7a9d088a397e66164c1f30b9">GetLinkType</a> () != <a class="code hl_enumvalue" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a93b89b9f89407a39712186911ad12a4bac9c0a2d3da9eb9fdafee93e52a498c84">DGRRoutingLinkRecord::PointToPoint</a>)</div>
<div class="line"><a id="l02156" name="l02156"></a><span class="lineno"> 2156</span>                {</div>
<div class="line"><a id="l02157" name="l02157"></a><span class="lineno"> 2157</span>                  <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l02158" name="l02158"></a><span class="lineno"> 2158</span>                }</div>
<div class="line"><a id="l02159" name="l02159"></a><span class="lineno"> 2159</span>              Ptr&lt;DGRRouter&gt; router = node-&gt;GetObject&lt;<a class="code hl_class" href="../../d0/d56/classns3_1_1_d_g_r_router.html">DGRRouter</a>&gt; ();</div>
<div class="line"><a id="l02160" name="l02160"></a><span class="lineno"> 2160</span>              <span class="keywordflow">if</span> (!router)</div>
<div class="line"><a id="l02161" name="l02161"></a><span class="lineno"> 2161</span>                {</div>
<div class="line"><a id="l02162" name="l02162"></a><span class="lineno"> 2162</span>                  <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l02163" name="l02163"></a><span class="lineno"> 2163</span>                }</div>
<div class="line"><a id="l02164" name="l02164"></a><span class="lineno"> 2164</span>              Ptr&lt;Ipv4DGRRouting&gt; gr = router-&gt;<a class="code hl_function" href="../../d0/d56/classns3_1_1_d_g_r_router.html#a87f63cac54a25accafa7c849a9aa0dbc">GetRoutingProtocol</a> ();</div>
<div class="line"><a id="l02165" name="l02165"></a><span class="lineno"> 2165</span>              NS_ASSERT (gr);</div>
<div class="line"><a id="l02166" name="l02166"></a><span class="lineno"> 2166</span>              uint32_t distance = v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a307ee8139d815f7f26b8cf01e6885b53">GetDistanceFromRoot</a> ();</div>
<div class="line"><a id="l02167" name="l02167"></a><span class="lineno"> 2167</span>              <span class="keywordflow">if</span> (v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a691c41409919639a4aaea1443fa26ed5">GetNRootExitDirections</a> () &gt;= 1)</div>
<div class="line"><a id="l02168" name="l02168"></a><span class="lineno"> 2168</span>                {</div>
<div class="line"><a id="l02169" name="l02169"></a><span class="lineno"> 2169</span>                    int32_t nextIface = v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a9e66f0b2ee7432156046e75672968138">GetRootExitDirection</a> (0).second;</div>
<div class="line"><a id="l02170" name="l02170"></a><span class="lineno"> 2170</span>                    gr-&gt;AddHostRouteTo (lr-&gt;<a class="code hl_function" href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a97080a8409f77898f4485230be0be5e4">GetLinkData</a> (), nextHop, Iface, nextIface, distance);</div>
<div class="line"><a id="l02171" name="l02171"></a><span class="lineno"> 2171</span>                }</div>
<div class="line"><a id="l02172" name="l02172"></a><span class="lineno"> 2172</span>            }</div>
<div class="line"><a id="l02173" name="l02173"></a><span class="lineno"> 2173</span><span class="comment">//</span></div>
<div class="line"><a id="l02174" name="l02174"></a><span class="lineno"> 2174</span><span class="comment">// Done adding the routes for the selected node.</span></div>
<div class="line"><a id="l02175" name="l02175"></a><span class="lineno"> 2175</span><span class="comment">//</span></div>
<div class="line"><a id="l02176" name="l02176"></a><span class="lineno"> 2176</span>          <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l02177" name="l02177"></a><span class="lineno"> 2177</span>        }</div>
<div class="line"><a id="l02178" name="l02178"></a><span class="lineno"> 2178</span>    }</div>
<div class="line"><a id="l02179" name="l02179"></a><span class="lineno"> 2179</span>}</div>
<div class="line"><a id="l02180" name="l02180"></a><span class="lineno"> 2180</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l02181" name="l02181"></a><span class="lineno"><a class="line" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a80ce56eb81842ac31afccfdd698d1d73"> 2181</a></span><a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a80ce56eb81842ac31afccfdd698d1d73">DGRRouteManagerImpl::SPFIntraAddTransit</a> (<a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* v)</div>
<div class="line"><a id="l02182" name="l02182"></a><span class="lineno"> 2182</span>{</div>
<div class="line"><a id="l02183" name="l02183"></a><span class="lineno"> 2183</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; v);</div>
<div class="line"><a id="l02184" name="l02184"></a><span class="lineno"> 2184</span> </div>
<div class="line"><a id="l02185" name="l02185"></a><span class="lineno"> 2185</span>  NS_ASSERT_MSG (<a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a51238c1122fc794564a658bf852d6910">m_spfroot</a>, </div>
<div class="line"><a id="l02186" name="l02186"></a><span class="lineno"> 2186</span>                 <span class="stringliteral">&quot;DGRRouteManagerImpl::SPFIntraAddTransit (): Root pointer not set&quot;</span>);</div>
<div class="line"><a id="l02187" name="l02187"></a><span class="lineno"> 2187</span><span class="comment">//</span></div>
<div class="line"><a id="l02188" name="l02188"></a><span class="lineno"> 2188</span><span class="comment">// The root of the Shortest Path First tree is the router to which we are </span></div>
<div class="line"><a id="l02189" name="l02189"></a><span class="lineno"> 2189</span><span class="comment">// going to write the actual routing table entries.  The vertex corresponding</span></div>
<div class="line"><a id="l02190" name="l02190"></a><span class="lineno"> 2190</span><span class="comment">// to this router has a vertex ID which is the router ID of that node.  We&#39;re</span></div>
<div class="line"><a id="l02191" name="l02191"></a><span class="lineno"> 2191</span><span class="comment">// going to use this ID to discover which node it is that we&#39;re actually going</span></div>
<div class="line"><a id="l02192" name="l02192"></a><span class="lineno"> 2192</span><span class="comment">// to update.</span></div>
<div class="line"><a id="l02193" name="l02193"></a><span class="lineno"> 2193</span><span class="comment">//</span></div>
<div class="line"><a id="l02194" name="l02194"></a><span class="lineno"> 2194</span>  Ipv4Address routerId = <a class="code hl_variable" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a51238c1122fc794564a658bf852d6910">m_spfroot</a>-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">GetVertexId</a> ();</div>
<div class="line"><a id="l02195" name="l02195"></a><span class="lineno"> 2195</span> </div>
<div class="line"><a id="l02196" name="l02196"></a><span class="lineno"> 2196</span>  NS_LOG_LOGIC (<span class="stringliteral">&quot;Vertex ID = &quot;</span> &lt;&lt; routerId);</div>
<div class="line"><a id="l02197" name="l02197"></a><span class="lineno"> 2197</span><span class="comment">//</span></div>
<div class="line"><a id="l02198" name="l02198"></a><span class="lineno"> 2198</span><span class="comment">// We need to walk the list of nodes looking for the one that has the router</span></div>
<div class="line"><a id="l02199" name="l02199"></a><span class="lineno"> 2199</span><span class="comment">// ID corresponding to the root vertex.  This is the one we&#39;re going to write</span></div>
<div class="line"><a id="l02200" name="l02200"></a><span class="lineno"> 2200</span><span class="comment">// the routing information to.</span></div>
<div class="line"><a id="l02201" name="l02201"></a><span class="lineno"> 2201</span><span class="comment">//</span></div>
<div class="line"><a id="l02202" name="l02202"></a><span class="lineno"> 2202</span>  NodeList::Iterator <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> = NodeList::Begin (); </div>
<div class="line"><a id="l02203" name="l02203"></a><span class="lineno"> 2203</span>  NodeList::Iterator listEnd = NodeList::End ();</div>
<div class="line"><a id="l02204" name="l02204"></a><span class="lineno"> 2204</span>  <span class="keywordflow">for</span> (; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> != listEnd; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l02205" name="l02205"></a><span class="lineno"> 2205</span>    {</div>
<div class="line"><a id="l02206" name="l02206"></a><span class="lineno"> 2206</span>      Ptr&lt;Node&gt; node = *<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>;</div>
<div class="line"><a id="l02207" name="l02207"></a><span class="lineno"> 2207</span><span class="comment">//</span></div>
<div class="line"><a id="l02208" name="l02208"></a><span class="lineno"> 2208</span><span class="comment">// The router ID is accessible through the DGRRouter interface, so we need</span></div>
<div class="line"><a id="l02209" name="l02209"></a><span class="lineno"> 2209</span><span class="comment">// to GetObject for that interface.  If there&#39;s no DGRRouter interface, </span></div>
<div class="line"><a id="l02210" name="l02210"></a><span class="lineno"> 2210</span><span class="comment">// the node in question cannot be the router we want, so we continue.</span></div>
<div class="line"><a id="l02211" name="l02211"></a><span class="lineno"> 2211</span><span class="comment">// </span></div>
<div class="line"><a id="l02212" name="l02212"></a><span class="lineno"> 2212</span>      Ptr&lt;DGRRouter&gt; rtr = </div>
<div class="line"><a id="l02213" name="l02213"></a><span class="lineno"> 2213</span>        node-&gt;GetObject&lt;<a class="code hl_class" href="../../d0/d56/classns3_1_1_d_g_r_router.html">DGRRouter</a>&gt; ();</div>
<div class="line"><a id="l02214" name="l02214"></a><span class="lineno"> 2214</span> </div>
<div class="line"><a id="l02215" name="l02215"></a><span class="lineno"> 2215</span>      <span class="keywordflow">if</span> (!rtr)</div>
<div class="line"><a id="l02216" name="l02216"></a><span class="lineno"> 2216</span>        {</div>
<div class="line"><a id="l02217" name="l02217"></a><span class="lineno"> 2217</span>          NS_LOG_LOGIC (<span class="stringliteral">&quot;No DGRRouter interface on node &quot;</span> &lt;&lt; </div>
<div class="line"><a id="l02218" name="l02218"></a><span class="lineno"> 2218</span>                        node-&gt;GetId ());</div>
<div class="line"><a id="l02219" name="l02219"></a><span class="lineno"> 2219</span>          <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l02220" name="l02220"></a><span class="lineno"> 2220</span>        }</div>
<div class="line"><a id="l02221" name="l02221"></a><span class="lineno"> 2221</span><span class="comment">//</span></div>
<div class="line"><a id="l02222" name="l02222"></a><span class="lineno"> 2222</span><span class="comment">// If the router ID of the current node is equal to the router ID of the </span></div>
<div class="line"><a id="l02223" name="l02223"></a><span class="lineno"> 2223</span><span class="comment">// root of the SPF tree, then this node is the one for which we need to </span></div>
<div class="line"><a id="l02224" name="l02224"></a><span class="lineno"> 2224</span><span class="comment">// write the routing tables.</span></div>
<div class="line"><a id="l02225" name="l02225"></a><span class="lineno"> 2225</span><span class="comment">//</span></div>
<div class="line"><a id="l02226" name="l02226"></a><span class="lineno"> 2226</span>      NS_LOG_LOGIC (<span class="stringliteral">&quot;Considering router &quot;</span> &lt;&lt; rtr-&gt;GetRouterId ());</div>
<div class="line"><a id="l02227" name="l02227"></a><span class="lineno"> 2227</span> </div>
<div class="line"><a id="l02228" name="l02228"></a><span class="lineno"> 2228</span>      <span class="keywordflow">if</span> (rtr-&gt;GetRouterId () == routerId)</div>
<div class="line"><a id="l02229" name="l02229"></a><span class="lineno"> 2229</span>        {</div>
<div class="line"><a id="l02230" name="l02230"></a><span class="lineno"> 2230</span>          NS_LOG_LOGIC (<span class="stringliteral">&quot;setting routes for node &quot;</span> &lt;&lt; node-&gt;GetId ());</div>
<div class="line"><a id="l02231" name="l02231"></a><span class="lineno"> 2231</span><span class="comment">//</span></div>
<div class="line"><a id="l02232" name="l02232"></a><span class="lineno"> 2232</span><span class="comment">// Routing information is updated using the Ipv4 interface.  We need to </span></div>
<div class="line"><a id="l02233" name="l02233"></a><span class="lineno"> 2233</span><span class="comment">// GetObject for that interface.  If the node is acting as an IP version 4 </span></div>
<div class="line"><a id="l02234" name="l02234"></a><span class="lineno"> 2234</span><span class="comment">// router, it should absolutely have an Ipv4 interface.</span></div>
<div class="line"><a id="l02235" name="l02235"></a><span class="lineno"> 2235</span><span class="comment">//</span></div>
<div class="line"><a id="l02236" name="l02236"></a><span class="lineno"> 2236</span>          Ptr&lt;Ipv4&gt; ipv4 = node-&gt;GetObject&lt;Ipv4&gt; ();</div>
<div class="line"><a id="l02237" name="l02237"></a><span class="lineno"> 2237</span>          NS_ASSERT_MSG (ipv4, </div>
<div class="line"><a id="l02238" name="l02238"></a><span class="lineno"> 2238</span>                         <span class="stringliteral">&quot;DGRRouteManagerImpl::SPFIntraAddTransit (): &quot;</span></div>
<div class="line"><a id="l02239" name="l02239"></a><span class="lineno"> 2239</span>                         <span class="stringliteral">&quot;GetObject for &lt;Ipv4&gt; interface failed&quot;</span>);</div>
<div class="line"><a id="l02240" name="l02240"></a><span class="lineno"> 2240</span><span class="comment">//</span></div>
<div class="line"><a id="l02241" name="l02241"></a><span class="lineno"> 2241</span><span class="comment">// Get the Global Router Link State Advertisement from the vertex we&#39;re</span></div>
<div class="line"><a id="l02242" name="l02242"></a><span class="lineno"> 2242</span><span class="comment">// adding the routes to.  The LSA will have a number of attached Global Router</span></div>
<div class="line"><a id="l02243" name="l02243"></a><span class="lineno"> 2243</span><span class="comment">// Link Records corresponding to links off of that vertex / node.  We&#39;re going</span></div>
<div class="line"><a id="l02244" name="l02244"></a><span class="lineno"> 2244</span><span class="comment">// to be interested in the records corresponding to point-to-point links.</span></div>
<div class="line"><a id="l02245" name="l02245"></a><span class="lineno"> 2245</span><span class="comment">//</span></div>
<div class="line"><a id="l02246" name="l02246"></a><span class="lineno"> 2246</span>          <a class="code hl_class" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">DGRRoutingLSA</a> *lsa = v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">GetLSA</a> ();</div>
<div class="line"><a id="l02247" name="l02247"></a><span class="lineno"> 2247</span>          NS_ASSERT_MSG (lsa, </div>
<div class="line"><a id="l02248" name="l02248"></a><span class="lineno"> 2248</span>                         <span class="stringliteral">&quot;DGRRouteManagerImpl::SPFIntraAddTransit (): &quot;</span></div>
<div class="line"><a id="l02249" name="l02249"></a><span class="lineno"> 2249</span>                         <span class="stringliteral">&quot;Expected valid LSA in DGRVertex* v&quot;</span>);</div>
<div class="line"><a id="l02250" name="l02250"></a><span class="lineno"> 2250</span>          Ipv4Mask tempmask = lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a3e3b9552f26b930f47dd069eaf0f3950">GetNetworkLSANetworkMask</a> ();</div>
<div class="line"><a id="l02251" name="l02251"></a><span class="lineno"> 2251</span>          Ipv4Address tempip = lsa-&gt;<a class="code hl_function" href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">GetLinkStateId</a> ();</div>
<div class="line"><a id="l02252" name="l02252"></a><span class="lineno"> 2252</span>          tempip = tempip.CombineMask (tempmask);</div>
<div class="line"><a id="l02253" name="l02253"></a><span class="lineno"> 2253</span>          Ptr&lt;DGRRouter&gt; router = node-&gt;GetObject&lt;<a class="code hl_class" href="../../d0/d56/classns3_1_1_d_g_r_router.html">DGRRouter</a>&gt; ();</div>
<div class="line"><a id="l02254" name="l02254"></a><span class="lineno"> 2254</span>          <span class="keywordflow">if</span> (!router)</div>
<div class="line"><a id="l02255" name="l02255"></a><span class="lineno"> 2255</span>            {</div>
<div class="line"><a id="l02256" name="l02256"></a><span class="lineno"> 2256</span>              <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l02257" name="l02257"></a><span class="lineno"> 2257</span>            }</div>
<div class="line"><a id="l02258" name="l02258"></a><span class="lineno"> 2258</span>          Ptr&lt;Ipv4DGRRouting&gt; gr = router-&gt;<a class="code hl_function" href="../../d0/d56/classns3_1_1_d_g_r_router.html#a87f63cac54a25accafa7c849a9aa0dbc">GetRoutingProtocol</a> ();</div>
<div class="line"><a id="l02259" name="l02259"></a><span class="lineno"> 2259</span>          NS_ASSERT (gr);</div>
<div class="line"><a id="l02260" name="l02260"></a><span class="lineno"> 2260</span>          <span class="comment">// walk through all available exit directions due to ECMP,</span></div>
<div class="line"><a id="l02261" name="l02261"></a><span class="lineno"> 2261</span>          <span class="comment">// and add host route for each of the exit direction toward</span></div>
<div class="line"><a id="l02262" name="l02262"></a><span class="lineno"> 2262</span>          <span class="comment">// the vertex &#39;v&#39;</span></div>
<div class="line"><a id="l02263" name="l02263"></a><span class="lineno"> 2263</span>          <span class="keywordflow">for</span> (uint32_t <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> = 0; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt; v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a691c41409919639a4aaea1443fa26ed5">GetNRootExitDirections</a> (); <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)</div>
<div class="line"><a id="l02264" name="l02264"></a><span class="lineno"> 2264</span>            {</div>
<div class="line"><a id="l02265" name="l02265"></a><span class="lineno"> 2265</span>              <a class="code hl_typedef" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aace20b0a545f431fbc5e3d6a2c149d44">DGRVertex::NodeExit_t</a> exit = v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a9e66f0b2ee7432156046e75672968138">GetRootExitDirection</a> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>);</div>
<div class="line"><a id="l02266" name="l02266"></a><span class="lineno"> 2266</span>              Ipv4Address nextHop = exit.first;</div>
<div class="line"><a id="l02267" name="l02267"></a><span class="lineno"> 2267</span>              int32_t outIf = exit.second;</div>
<div class="line"><a id="l02268" name="l02268"></a><span class="lineno"> 2268</span> </div>
<div class="line"><a id="l02269" name="l02269"></a><span class="lineno"> 2269</span>              <span class="keywordflow">if</span> (outIf &gt;= 0)</div>
<div class="line"><a id="l02270" name="l02270"></a><span class="lineno"> 2270</span>                {</div>
<div class="line"><a id="l02271" name="l02271"></a><span class="lineno"> 2271</span>                  gr-&gt;AddNetworkRouteTo (tempip, tempmask, nextHop, outIf);</div>
<div class="line"><a id="l02272" name="l02272"></a><span class="lineno"> 2272</span>                  NS_LOG_LOGIC (<span class="stringliteral">&quot;(Route &quot;</span> &lt;&lt; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt;&lt; <span class="stringliteral">&quot;) Node &quot;</span> &lt;&lt; node-&gt;GetId () &lt;&lt;</div>
<div class="line"><a id="l02273" name="l02273"></a><span class="lineno"> 2273</span>                                <span class="stringliteral">&quot; add network route to &quot;</span> &lt;&lt; tempip &lt;&lt;</div>
<div class="line"><a id="l02274" name="l02274"></a><span class="lineno"> 2274</span>                                <span class="stringliteral">&quot; using next hop &quot;</span> &lt;&lt; nextHop &lt;&lt;</div>
<div class="line"><a id="l02275" name="l02275"></a><span class="lineno"> 2275</span>                                <span class="stringliteral">&quot; via interface &quot;</span> &lt;&lt; outIf);</div>
<div class="line"><a id="l02276" name="l02276"></a><span class="lineno"> 2276</span>                }</div>
<div class="line"><a id="l02277" name="l02277"></a><span class="lineno"> 2277</span>              <span class="keywordflow">else</span></div>
<div class="line"><a id="l02278" name="l02278"></a><span class="lineno"> 2278</span>                {</div>
<div class="line"><a id="l02279" name="l02279"></a><span class="lineno"> 2279</span>                  NS_LOG_LOGIC (<span class="stringliteral">&quot;(Route &quot;</span> &lt;&lt; <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a> &lt;&lt; <span class="stringliteral">&quot;) Node &quot;</span> &lt;&lt; node-&gt;GetId () &lt;&lt;</div>
<div class="line"><a id="l02280" name="l02280"></a><span class="lineno"> 2280</span>                                <span class="stringliteral">&quot; NOT able to add network route to &quot;</span> &lt;&lt; tempip &lt;&lt;</div>
<div class="line"><a id="l02281" name="l02281"></a><span class="lineno"> 2281</span>                                <span class="stringliteral">&quot; using next hop &quot;</span> &lt;&lt; nextHop &lt;&lt;</div>
<div class="line"><a id="l02282" name="l02282"></a><span class="lineno"> 2282</span>                                <span class="stringliteral">&quot; since outgoing interface id is negative &quot;</span> &lt;&lt; outIf);</div>
<div class="line"><a id="l02283" name="l02283"></a><span class="lineno"> 2283</span>                }</div>
<div class="line"><a id="l02284" name="l02284"></a><span class="lineno"> 2284</span>            }</div>
<div class="line"><a id="l02285" name="l02285"></a><span class="lineno"> 2285</span>        }</div>
<div class="line"><a id="l02286" name="l02286"></a><span class="lineno"> 2286</span>    } </div>
<div class="line"><a id="l02287" name="l02287"></a><span class="lineno"> 2287</span>}</div>
<div class="line"><a id="l02288" name="l02288"></a><span class="lineno"> 2288</span> </div>
<div class="line"><a id="l02289" name="l02289"></a><span class="lineno"> 2289</span><span class="comment">// Derived from quagga ospf_vertex_add_parents ()</span></div>
<div class="line"><a id="l02290" name="l02290"></a><span class="lineno"> 2290</span><span class="comment">//</span></div>
<div class="line"><a id="l02291" name="l02291"></a><span class="lineno"> 2291</span><span class="comment">// This is a somewhat oddly named method (blame quagga).  Although you might</span></div>
<div class="line"><a id="l02292" name="l02292"></a><span class="lineno"> 2292</span><span class="comment">// expect it to add a parent *to* something, it actually adds a vertex</span></div>
<div class="line"><a id="l02293" name="l02293"></a><span class="lineno"> 2293</span><span class="comment">// to the list of children *in* each of its parents. </span></div>
<div class="line"><a id="l02294" name="l02294"></a><span class="lineno"> 2294</span><span class="comment">//</span></div>
<div class="line"><a id="l02295" name="l02295"></a><span class="lineno"> 2295</span><span class="comment">// Given a pointer to a vertex, it links back to the vertex&#39;s parent that it</span></div>
<div class="line"><a id="l02296" name="l02296"></a><span class="lineno"> 2296</span><span class="comment">// already has set and adds itself to that vertex&#39;s list of children.</span></div>
<div class="line"><a id="l02297" name="l02297"></a><span class="lineno"> 2297</span><span class="comment">//</span></div>
<div class="line"><a id="l02298" name="l02298"></a><span class="lineno"> 2298</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l02299" name="l02299"></a><span class="lineno"><a class="line" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a98dcc2494c9f368e4cfed15ead8a2990"> 2299</a></span><a class="code hl_function" href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a98dcc2494c9f368e4cfed15ead8a2990">DGRRouteManagerImpl::DGRVertexAddParent</a> (<a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* v)</div>
<div class="line"><a id="l02300" name="l02300"></a><span class="lineno"> 2300</span>{</div>
<div class="line"><a id="l02301" name="l02301"></a><span class="lineno"> 2301</span>  NS_LOG_FUNCTION (<span class="keyword">this</span> &lt;&lt; v);</div>
<div class="line"><a id="l02302" name="l02302"></a><span class="lineno"> 2302</span> </div>
<div class="line"><a id="l02303" name="l02303"></a><span class="lineno"> 2303</span>  <span class="keywordflow">for</span> (uint32_t <a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>=0;;)</div>
<div class="line"><a id="l02304" name="l02304"></a><span class="lineno"> 2304</span>    {</div>
<div class="line"><a id="l02305" name="l02305"></a><span class="lineno"> 2305</span>      <a class="code hl_class" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">DGRVertex</a>* parent;</div>
<div class="line"><a id="l02306" name="l02306"></a><span class="lineno"> 2306</span>      <span class="comment">// check if all parents of vertex v</span></div>
<div class="line"><a id="l02307" name="l02307"></a><span class="lineno"> 2307</span>      <span class="keywordflow">if</span> ((parent = v-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a6937ca725aa1a7f5284d1b75a5dfb9f8">GetParent</a> (<a class="code hl_variable" href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">i</a>++)) == 0) <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l02308" name="l02308"></a><span class="lineno"> 2308</span>      parent-&gt;<a class="code hl_function" href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#af0c852bbf364e527e6f7b1c34105a06e">AddChild</a> (v);</div>
<div class="line"><a id="l02309" name="l02309"></a><span class="lineno"> 2309</span>    }</div>
<div class="line"><a id="l02310" name="l02310"></a><span class="lineno"> 2310</span>}</div>
<div class="line"><a id="l02311" name="l02311"></a><span class="lineno"> 2311</span> </div>
<div class="line"><a id="l02312" name="l02312"></a><span class="lineno"> 2312</span>} <span class="comment">// namespace ns3</span></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_candidate_queue_html"><div class="ttname"><a href="../../dd/d17/classns3_1_1_d_g_r_candidate_queue.html">ns3::DGRCandidateQueue</a></div><div class="ttdoc">A Candidate Queue used in routing calculations.</div><div class="ttdef"><b>Definition</b> <a href="../../df/d86/dgr-candidate-queue_8h_source.html#l00051">dgr-candidate-queue.h:52</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_candidate_queue_html_a0059b97ee38bc933def96f22719e90c8"><div class="ttname"><a href="../../dd/d17/classns3_1_1_d_g_r_candidate_queue.html#a0059b97ee38bc933def96f22719e90c8">ns3::DGRCandidateQueue::Find</a></div><div class="ttdeci">DGRVertex * Find(const Ipv4Address addr) const</div><div class="ttdoc">Searches the Candidate Queue for a Shortest Path First Vertex pointer that points to a vertex having ...</div><div class="ttdef"><b>Definition</b> <a href="../../da/d53/dgr-candidate-queue_8cc_source.html#l00145">dgr-candidate-queue.cc:145</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_candidate_queue_html_a278c16f4c6de3e85aa9268215a6e95db"><div class="ttname"><a href="../../dd/d17/classns3_1_1_d_g_r_candidate_queue.html#a278c16f4c6de3e85aa9268215a6e95db">ns3::DGRCandidateQueue::Pop</a></div><div class="ttdeci">DGRVertex * Pop(void)</div><div class="ttdoc">Pop the Shortest Path First Vertex pointer at the top of the queue.</div><div class="ttdef"><b>Definition</b> <a href="../../da/d53/dgr-candidate-queue_8cc_source.html#l00105">dgr-candidate-queue.cc:105</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_candidate_queue_html_a8745d6ce64bdbdc57e731025c7e78935"><div class="ttname"><a href="../../dd/d17/classns3_1_1_d_g_r_candidate_queue.html#a8745d6ce64bdbdc57e731025c7e78935">ns3::DGRCandidateQueue::Reorder</a></div><div class="ttdeci">void Reorder(void)</div><div class="ttdoc">Reorders the Candidate Queue according to the priority scheme.</div><div class="ttdef"><b>Definition</b> <a href="../../da/d53/dgr-candidate-queue_8cc_source.html#l00163">dgr-candidate-queue.cc:163</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_candidate_queue_html_abdb46ac92a797d66c0a08f646f6637f5"><div class="ttname"><a href="../../dd/d17/classns3_1_1_d_g_r_candidate_queue.html#abdb46ac92a797d66c0a08f646f6637f5">ns3::DGRCandidateQueue::Size</a></div><div class="ttdeci">uint32_t Size(void) const</div><div class="ttdoc">Return the number of Shortest Path First Vertex pointers presently stored in the Candidate Queue.</div><div class="ttdef"><b>Definition</b> <a href="../../da/d53/dgr-candidate-queue_8cc_source.html#l00138">dgr-candidate-queue.cc:138</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_candidate_queue_html_ae02f69062ca21f025cba41d535491b87"><div class="ttname"><a href="../../dd/d17/classns3_1_1_d_g_r_candidate_queue.html#ae02f69062ca21f025cba41d535491b87">ns3::DGRCandidateQueue::Push</a></div><div class="ttdeci">void Push(DGRVertex *vNew)</div><div class="ttdoc">Push a Shortest Path First Vertex pointer onto the queue according to the priority scheme.</div><div class="ttdef"><b>Definition</b> <a href="../../da/d53/dgr-candidate-queue_8cc_source.html#l00093">dgr-candidate-queue.cc:93</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_a017c230a5a38bc81243ebf39e94bd36b"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a017c230a5a38bc81243ebf39e94bd36b">ns3::DGRRouteManagerImpl::FindOutgoingInterfaceId</a></div><div class="ttdeci">int32_t FindOutgoingInterfaceId(Ipv4Address a, Ipv4Mask amask=Ipv4Mask(&quot;255.255.255.255&quot;))</div><div class="ttdoc">Return the interface number corresponding to a given IP address and mask.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l01972">dgr-route-manager-impl.cc:1972</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_a033d120271836b470fecfe120c6fdbc8"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a033d120271836b470fecfe120c6fdbc8">ns3::DGRRouteManagerImpl::BuildDGRRoutingDatabase</a></div><div class="ttdeci">virtual void BuildDGRRoutingDatabase()</div><div class="ttdoc">Build the routing database by gathering Link State Advertisements from each node exporting a DGRRoute...</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00614">dgr-route-manager-impl.cc:614</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_a13039dc3ca88e01a6f543a3bb97a53e7"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a13039dc3ca88e01a6f543a3bb97a53e7">ns3::DGRRouteManagerImpl::DGRRouteManagerImpl</a></div><div class="ttdeci">DGRRouteManagerImpl()</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00541">dgr-route-manager-impl.cc:541</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_a14aed0c12cb59dcdc7eaaf14c8b54ea4"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a14aed0c12cb59dcdc7eaaf14c8b54ea4">ns3::DGRRouteManagerImpl::DebugSPFCalculate</a></div><div class="ttdeci">void DebugSPFCalculate(Ipv4Address root)</div><div class="ttdoc">Debugging routine; call the core SPF from the unit tests.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l01361">dgr-route-manager-impl.cc:1361</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_a1ac857e005409b302b1bd2fb1180af0a"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a1ac857e005409b302b1bd2fb1180af0a">ns3::DGRRouteManagerImpl::SPFGetNextLink</a></div><div class="ttdeci">DGRRoutingLinkRecord * SPFGetNextLink(DGRVertex *v, DGRVertex *w, DGRRoutingLinkRecord *prev_link)</div><div class="ttdoc">Search for a link between two vertices.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l01283">dgr-route-manager-impl.cc:1283</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_a1f608c8ac5a62f915208141c2d7bea22"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a1f608c8ac5a62f915208141c2d7bea22">ns3::DGRRouteManagerImpl::CheckForStubNode</a></div><div class="ttdeci">bool CheckForStubNode(Ipv4Address root)</div><div class="ttdoc">Test if a node is a stub, from an OSPF sense.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l01374">dgr-route-manager-impl.cc:1374</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_a3b798959aeda8a76373705151497692e"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a3b798959aeda8a76373705151497692e">ns3::DGRRouteManagerImpl::InitializeRoutes</a></div><div class="ttdeci">virtual void InitializeRoutes()</div><div class="ttdoc">Compute routes using a Dijkstra SPF computation and populate per-node forwarding tables.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00696">dgr-route-manager-impl.cc:696</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_a403b832078dcb8a4facb2ae6c7b2ce15"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a403b832078dcb8a4facb2ae6c7b2ce15">ns3::DGRRouteManagerImpl::SPFIntraAddStub</a></div><div class="ttdeci">void SPFIntraAddStub(DGRRoutingLinkRecord *l, DGRVertex *v)</div><div class="ttdoc">Add a stub to the routing tables.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l01832">dgr-route-manager-impl.cc:1832</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_a4169b90db3aa5437191ecf42e484f567"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a4169b90db3aa5437191ecf42e484f567">ns3::DGRRouteManagerImpl::SPFAddASExternal</a></div><div class="ttdeci">void SPFAddASExternal(DGRRoutingLSA *extlsa, DGRVertex *v)</div><div class="ttdoc">Add an external route to the routing tables.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l01664">dgr-route-manager-impl.cc:1664</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_a466e6a4182a792e33610a1a1e7a6b990"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a466e6a4182a792e33610a1a1e7a6b990">ns3::DGRRouteManagerImpl::m_lsdb</a></div><div class="ttdeci">DGRRouteManagerLSDB * m_lsdb</div><div class="ttdoc">the Link State DataBase (LSDB) of the Global Route Manager</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00771">dgr-route-manager-impl.h:771</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_a51238c1122fc794564a658bf852d6910"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a51238c1122fc794564a658bf852d6910">ns3::DGRRouteManagerImpl::m_spfroot</a></div><div class="ttdeci">DGRVertex * m_spfroot</div><div class="ttdoc">the root node</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00770">dgr-route-manager-impl.h:770</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_a58756bc6216f5ebe1941a2102ae4cdf9"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a58756bc6216f5ebe1941a2102ae4cdf9">ns3::DGRRouteManagerImpl::SPFIntraAddRouter</a></div><div class="ttdeci">void SPFIntraAddRouter(DGRVertex *v, DGRVertex *v_init, Ipv4Address nextHop, uint32_t Iface)</div><div class="ttdoc">Add a host route to the routing tables.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l02059">dgr-route-manager-impl.cc:2059</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_a71dd2f4c78a96ecb7d86dd75fd6f78bd"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a71dd2f4c78a96ecb7d86dd75fd6f78bd">ns3::DGRRouteManagerImpl::SPFProcessStubs</a></div><div class="ttdeci">void SPFProcessStubs(DGRVertex *v)</div><div class="ttdoc">Process Stub nodes.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l01798">dgr-route-manager-impl.cc:1798</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_a7a59fdbaae988b5c5f8ac71e4d650143"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a7a59fdbaae988b5c5f8ac71e4d650143">ns3::DGRRouteManagerImpl::DebugUseLsdb</a></div><div class="ttdeci">void DebugUseLsdb(DGRRouteManagerLSDB *)</div><div class="ttdoc">Debugging routine; allow client code to supply a pre-built LSDB.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00559">dgr-route-manager-impl.cc:559</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_a80ce56eb81842ac31afccfdd698d1d73"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a80ce56eb81842ac31afccfdd698d1d73">ns3::DGRRouteManagerImpl::SPFIntraAddTransit</a></div><div class="ttdeci">void SPFIntraAddTransit(DGRVertex *v)</div><div class="ttdoc">Add a transit to the routing tables.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l02181">dgr-route-manager-impl.cc:2181</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_a910c2efcc40a79d4c062eb08ceb11522"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a910c2efcc40a79d4c062eb08ceb11522">ns3::DGRRouteManagerImpl::SPFCalculate</a></div><div class="ttdeci">void SPFCalculate(Ipv4Address root, Ipv4Address initroot, DGRRoutingLinkRecord *l, uint32_t Iface)</div><div class="ttdoc">Calculate the shortest path first (SPF) tree.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l01456">dgr-route-manager-impl.cc:1456</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_a98dcc2494c9f368e4cfed15ead8a2990"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a98dcc2494c9f368e4cfed15ead8a2990">ns3::DGRRouteManagerImpl::DGRVertexAddParent</a></div><div class="ttdeci">void DGRVertexAddParent(DGRVertex *v)</div><div class="ttdoc">Adds a vertex to the list of children in each of its parents.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l02299">dgr-route-manager-impl.cc:2299</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_a9c43604c3d2a66a108fa96faf7505b9f"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#a9c43604c3d2a66a108fa96faf7505b9f">ns3::DGRRouteManagerImpl::~DGRRouteManagerImpl</a></div><div class="ttdeci">virtual ~DGRRouteManagerImpl()</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00549">dgr-route-manager-impl.cc:549</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_aa10b6b58af69a3da1d8478d50e78bef8"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#aa10b6b58af69a3da1d8478d50e78bef8">ns3::DGRRouteManagerImpl::SPFNexthopCalculation</a></div><div class="ttdeci">int SPFNexthopCalculation(DGRVertex *v, DGRVertex *w, DGRRoutingLinkRecord *l, uint32_t distance)</div><div class="ttdoc">Calculate nexthop from root through V (parent) to vertex W (destination) with given distance from roo...</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l01095">dgr-route-manager-impl.cc:1095</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_ab573904f9f357e2b802b1bbdcdc3247d"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#ab573904f9f357e2b802b1bbdcdc3247d">ns3::DGRRouteManagerImpl::SPFNext</a></div><div class="ttdeci">void SPFNext(DGRVertex *v, DGRCandidateQueue &amp;candidate)</div><div class="ttdoc">Examine the links in v's LSA and update the list of candidates with any vertices not already on the l...</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00861">dgr-route-manager-impl.cc:861</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_acfff2ecbb8d0d59a980f3876f1603aea"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#acfff2ecbb8d0d59a980f3876f1603aea">ns3::DGRRouteManagerImpl::DeleteDGRRoutes</a></div><div class="ttdeci">virtual void DeleteDGRRoutes()</div><div class="ttdoc">Delete all static routes on all nodes that have a DGRRouterInterface.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00570">dgr-route-manager-impl.cc:570</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_impl_html_ad51d5dbbd85120ad79227351fc16c9f4"><div class="ttname"><a href="../../da/d20/classns3_1_1_d_g_r_route_manager_impl.html#ad51d5dbbd85120ad79227351fc16c9f4">ns3::DGRRouteManagerImpl::ProcessASExternals</a></div><div class="ttdeci">void ProcessASExternals(DGRVertex *v, DGRRoutingLSA *extlsa)</div><div class="ttdoc">Process Autonomous Systems (AS) External LSA.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l01630">dgr-route-manager-impl.cc:1630</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_l_s_d_b_html"><div class="ttname"><a href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html">ns3::DGRRouteManagerLSDB</a></div><div class="ttdoc">The Link State DataBase (LSDB) of the DGR Route Manager.</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00581">dgr-route-manager-impl.h:582</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_l_s_d_b_html_a232013c41890eb75496e0201fd0689d2"><div class="ttname"><a href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a232013c41890eb75496e0201fd0689d2">ns3::DGRRouteManagerLSDB::GetLSA</a></div><div class="ttdeci">DGRRoutingLSA * GetLSA(Ipv4Address addr) const</div><div class="ttdoc">Look up the Link State Advertisement associated with the given link state ID (address).</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00493">dgr-route-manager-impl.cc:493</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_l_s_d_b_html_a44ed1e3d6976c509795b69ef3c5e1109"><div class="ttname"><a href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a44ed1e3d6976c509795b69ef3c5e1109">ns3::DGRRouteManagerLSDB::DGRRouteManagerLSDB</a></div><div class="ttdeci">DGRRouteManagerLSDB()</div><div class="ttdoc">Construct an empty Global Router Manager Link State Database.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00424">dgr-route-manager-impl.cc:424</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_l_s_d_b_html_a4cc94fab7e7699bd3b73e3e1bd874875"><div class="ttname"><a href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a4cc94fab7e7699bd3b73e3e1bd874875">ns3::DGRRouteManagerLSDB::Initialize</a></div><div class="ttdeci">void Initialize()</div><div class="ttdoc">Set all LSA flags to an initialized state, for SPF computation.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00453">dgr-route-manager-impl.cc:453</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_l_s_d_b_html_a4eccf46bb836fc866adeb57b38d6a493"><div class="ttname"><a href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a4eccf46bb836fc866adeb57b38d6a493">ns3::DGRRouteManagerLSDB::GetExtLSA</a></div><div class="ttdeci">DGRRoutingLSA * GetExtLSA(uint32_t index) const</div><div class="ttdoc">Look up the External Link State Advertisement associated with the given index.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00479">dgr-route-manager-impl.cc:479</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_l_s_d_b_html_a549df0eab868504027879ddf77bda6dc"><div class="ttname"><a href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a549df0eab868504027879ddf77bda6dc">ns3::DGRRouteManagerLSDB::LSDBPair_t</a></div><div class="ttdeci">std::pair&lt; Ipv4Address, DGRRoutingLSA * &gt; LSDBPair_t</div><div class="ttdoc">pair of IPv4 addresses / Link State Advertisements</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00681">dgr-route-manager-impl.h:681</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_l_s_d_b_html_a5ceebeea8595e2788e490c2e56cc3405"><div class="ttname"><a href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a5ceebeea8595e2788e490c2e56cc3405">ns3::DGRRouteManagerLSDB::GetNumExtLSAs</a></div><div class="ttdeci">uint32_t GetNumExtLSAs() const</div><div class="ttdoc">Get the number of External Link State Advertisements.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00486">dgr-route-manager-impl.cc:486</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_l_s_d_b_html_a5e87f265311abd433c6816ffd5799b05"><div class="ttname"><a href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a5e87f265311abd433c6816ffd5799b05">ns3::DGRRouteManagerLSDB::~DGRRouteManagerLSDB</a></div><div class="ttdeci">~DGRRouteManagerLSDB()</div><div class="ttdoc">Destroy an empty Global Router Manager Link State Database.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00432">dgr-route-manager-impl.cc:432</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_l_s_d_b_html_a93d1000c04198cf2a7df2b93b54d0ff5"><div class="ttname"><a href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a93d1000c04198cf2a7df2b93b54d0ff5">ns3::DGRRouteManagerLSDB::m_database</a></div><div class="ttdeci">LSDBMap_t m_database</div><div class="ttdoc">database of IPv4 addresses / Link State Advertisements</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00683">dgr-route-manager-impl.h:683</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_l_s_d_b_html_a9620420bf4e991b6cbbaeca0c71098e0"><div class="ttname"><a href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#a9620420bf4e991b6cbbaeca0c71098e0">ns3::DGRRouteManagerLSDB::m_extdatabase</a></div><div class="ttdeci">std::vector&lt; DGRRoutingLSA * &gt; m_extdatabase</div><div class="ttdoc">database of External Link State Advertisements</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00684">dgr-route-manager-impl.h:684</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_l_s_d_b_html_ac6f9ca728688bae5adc4172dee708553"><div class="ttname"><a href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#ac6f9ca728688bae5adc4172dee708553">ns3::DGRRouteManagerLSDB::GetLSAByLinkData</a></div><div class="ttdeci">DGRRoutingLSA * GetLSAByLinkData(Ipv4Address addr) const</div><div class="ttdoc">Look up the Link State Advertisement associated with the given link state ID (address).</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00511">dgr-route-manager-impl.cc:511</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_route_manager_l_s_d_b_html_aef58a243bb62466470166e11cb165b97"><div class="ttname"><a href="../../d0/d2b/classns3_1_1_d_g_r_route_manager_l_s_d_b.html#aef58a243bb62466470166e11cb165b97">ns3::DGRRouteManagerLSDB::Insert</a></div><div class="ttdeci">void Insert(Ipv4Address addr, DGRRoutingLSA *lsa)</div><div class="ttdoc">Insert an IP address / Link State Advertisement pair into the Link State Database.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00465">dgr-route-manager-impl.cc:465</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_router_html"><div class="ttname"><a href="../../d0/d56/classns3_1_1_d_g_r_router.html">ns3::DGRRouter</a></div><div class="ttdoc">An interface aggregated to a node to provide global routing info.</div><div class="ttdef"><b>Definition</b> <a href="../../df/d96/dgr-router-interface_8h_source.html#l00589">dgr-router-interface.h:590</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_router_html_a87f63cac54a25accafa7c849a9aa0dbc"><div class="ttname"><a href="../../d0/d56/classns3_1_1_d_g_r_router.html#a87f63cac54a25accafa7c849a9aa0dbc">ns3::DGRRouter::GetRoutingProtocol</a></div><div class="ttdeci">Ptr&lt; Ipv4DGRRouting &gt; GetRoutingProtocol(void)</div><div class="ttdoc">Get the specific Global Routing Protocol used.</div><div class="ttdef"><b>Definition</b> <a href="../../de/d42/dgr-router-interface_8cc_source.html#l00539">dgr-router-interface.cc:539</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_l_s_a_html"><div class="ttname"><a href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html">ns3::DGRRoutingLSA</a></div><div class="ttdoc">a Link State Advertisement (LSA) for a router, used in global routing.</div><div class="ttdef"><b>Definition</b> <a href="../../df/d96/dgr-router-interface_8h_source.html#l00253">dgr-router-interface.h:254</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_l_s_a_html_a0ec746b926044a548e4f3a09309322ce"><div class="ttname"><a href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a0ec746b926044a548e4f3a09309322ce">ns3::DGRRoutingLSA::GetLinkStateId</a></div><div class="ttdeci">Ipv4Address GetLinkStateId(void) const</div><div class="ttdoc">Get the Link State ID as defined by the OSPF spec.</div><div class="ttdef"><b>Definition</b> <a href="../../de/d42/dgr-router-interface_8cc_source.html#l00301">dgr-router-interface.cc:301</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_l_s_a_html_a1b5e5fa81d0506983a0755787a8d2d62"><div class="ttname"><a href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a1b5e5fa81d0506983a0755787a8d2d62">ns3::DGRRoutingLSA::GetAttachedRouter</a></div><div class="ttdeci">Ipv4Address GetAttachedRouter(uint32_t n) const</div><div class="ttdoc">Return an Ipv4Address corresponding to the specified attached router.</div><div class="ttdef"><b>Definition</b> <a href="../../de/d42/dgr-router-interface_8cc_source.html#l00365">dgr-router-interface.cc:365</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_l_s_a_html_a2d6cf227cde572e9c99d273a0e0fa5f7a0f88fe6c9e38275dc638a9ebb26018a2"><div class="ttname"><a href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a2d6cf227cde572e9c99d273a0e0fa5f7a0f88fe6c9e38275dc638a9ebb26018a2">ns3::DGRRoutingLSA::LSA_SPF_IN_SPFTREE</a></div><div class="ttdeci">@ LSA_SPF_IN_SPFTREE</div><div class="ttdoc">Vertex is in the SPF tree.</div><div class="ttdef"><b>Definition</b> <a href="../../df/d96/dgr-router-interface_8h_source.html#l00277">dgr-router-interface.h:276</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_l_s_a_html_a2d6cf227cde572e9c99d273a0e0fa5f7a196d95882ef494ff03d1549a998ba12c"><div class="ttname"><a href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a2d6cf227cde572e9c99d273a0e0fa5f7a196d95882ef494ff03d1549a998ba12c">ns3::DGRRoutingLSA::LSA_SPF_CANDIDATE</a></div><div class="ttdeci">@ LSA_SPF_CANDIDATE</div><div class="ttdoc">Vertex is in the SPF candidate queue.</div><div class="ttdef"><b>Definition</b> <a href="../../df/d96/dgr-router-interface_8h_source.html#l00275">dgr-router-interface.h:275</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_l_s_a_html_a2d6cf227cde572e9c99d273a0e0fa5f7ac563232b34162339268c7804c93765ad"><div class="ttname"><a href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a2d6cf227cde572e9c99d273a0e0fa5f7ac563232b34162339268c7804c93765ad">ns3::DGRRoutingLSA::LSA_SPF_NOT_EXPLORED</a></div><div class="ttdeci">@ LSA_SPF_NOT_EXPLORED</div><div class="ttdoc">New vertex not yet considered.</div><div class="ttdef"><b>Definition</b> <a href="../../df/d96/dgr-router-interface_8h_source.html#l00274">dgr-router-interface.h:274</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_l_s_a_html_a38d676a01a677ff003f198d454cf0694a0322ce07c2b94cdb14163bbe04cb9674"><div class="ttname"><a href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a38d676a01a677ff003f198d454cf0694a0322ce07c2b94cdb14163bbe04cb9674">ns3::DGRRoutingLSA::RouterLSA</a></div><div class="ttdeci">@ RouterLSA</div><div class="ttdef"><b>Definition</b> <a href="../../df/d96/dgr-router-interface_8h_source.html#l00262">dgr-router-interface.h:262</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_l_s_a_html_a38d676a01a677ff003f198d454cf0694a5d51f5653b9ddf1d8bf640932068cb85"><div class="ttname"><a href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a38d676a01a677ff003f198d454cf0694a5d51f5653b9ddf1d8bf640932068cb85">ns3::DGRRoutingLSA::NetworkLSA</a></div><div class="ttdeci">@ NetworkLSA</div><div class="ttdef"><b>Definition</b> <a href="../../df/d96/dgr-router-interface_8h_source.html#l00263">dgr-router-interface.h:263</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_l_s_a_html_a38d676a01a677ff003f198d454cf0694aca69c3cdc30b0ddcb8dd1dd95f79065a"><div class="ttname"><a href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a38d676a01a677ff003f198d454cf0694aca69c3cdc30b0ddcb8dd1dd95f79065a">ns3::DGRRoutingLSA::ASExternalLSAs</a></div><div class="ttdeci">@ ASExternalLSAs</div><div class="ttdef"><b>Definition</b> <a href="../../df/d96/dgr-router-interface_8h_source.html#l00267">dgr-router-interface.h:266</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_l_s_a_html_a3e3b9552f26b930f47dd069eaf0f3950"><div class="ttname"><a href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a3e3b9552f26b930f47dd069eaf0f3950">ns3::DGRRoutingLSA::GetNetworkLSANetworkMask</a></div><div class="ttdeci">Ipv4Mask GetNetworkLSANetworkMask(void) const</div><div class="ttdoc">For a Network LSA, get the Network Mask field that precedes the list of attached routers.</div><div class="ttdef"><b>Definition</b> <a href="../../de/d42/dgr-router-interface_8cc_source.html#l00336">dgr-router-interface.cc:336</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_l_s_a_html_a497453d1271c0020968487ec8ead99c5"><div class="ttname"><a href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a497453d1271c0020968487ec8ead99c5">ns3::DGRRoutingLSA::SetStatus</a></div><div class="ttdeci">void SetStatus(SPFStatus status)</div><div class="ttdoc">Set the SPF status of the advertisement.</div><div class="ttdef"><b>Definition</b> <a href="../../de/d42/dgr-router-interface_8cc_source.html#l00383">dgr-router-interface.cc:383</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_l_s_a_html_a5000c59488a04e9b809574c93624d3ce"><div class="ttname"><a href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a5000c59488a04e9b809574c93624d3ce">ns3::DGRRoutingLSA::GetNode</a></div><div class="ttdeci">Ptr&lt; Node &gt; GetNode(void) const</div><div class="ttdoc">Get the Node pointer of the node that originated this LSA.</div><div class="ttdef"><b>Definition</b> <a href="../../de/d42/dgr-router-interface_8cc_source.html#l00390">dgr-router-interface.cc:390</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_l_s_a_html_a882a042d18bcbdea3bc1a3eb55dcfe58"><div class="ttname"><a href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#a882a042d18bcbdea3bc1a3eb55dcfe58">ns3::DGRRoutingLSA::GetNLinkRecords</a></div><div class="ttdeci">uint32_t GetNLinkRecords(void) const</div><div class="ttdoc">Return the number of Global Routing Link Records in the LSA.</div><div class="ttdef"><b>Definition</b> <a href="../../de/d42/dgr-router-interface_8cc_source.html#l00255">dgr-router-interface.cc:255</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_l_s_a_html_aa00b07a4d8639539e94817f98905ef19"><div class="ttname"><a href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#aa00b07a4d8639539e94817f98905ef19">ns3::DGRRoutingLSA::GetLSType</a></div><div class="ttdeci">LSType GetLSType(void) const</div><div class="ttdoc">Return the LSType field of the LSA.</div><div class="ttdef"><b>Definition</b> <a href="../../de/d42/dgr-router-interface_8cc_source.html#l00287">dgr-router-interface.cc:287</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_l_s_a_html_aa16092b325a84e50b90fcc5dd4e5bab2"><div class="ttname"><a href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#aa16092b325a84e50b90fcc5dd4e5bab2">ns3::DGRRoutingLSA::GetAdvertisingRouter</a></div><div class="ttdeci">Ipv4Address GetAdvertisingRouter(void) const</div><div class="ttdoc">Get the Advertising Router as defined by the OSPF spec.</div><div class="ttdef"><b>Definition</b> <a href="../../de/d42/dgr-router-interface_8cc_source.html#l00315">dgr-router-interface.cc:315</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_l_s_a_html_acb5df9fec863df510911aa3e64d4aa04"><div class="ttname"><a href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#acb5df9fec863df510911aa3e64d4aa04">ns3::DGRRoutingLSA::GetLinkRecord</a></div><div class="ttdeci">DGRRoutingLinkRecord * GetLinkRecord(uint32_t n) const</div><div class="ttdoc">Return a pointer to the specified Global Routing Link Record.</div><div class="ttdef"><b>Definition</b> <a href="../../de/d42/dgr-router-interface_8cc_source.html#l00262">dgr-router-interface.cc:262</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_l_s_a_html_ae7e796f5d4860d2236bef31d74364c91"><div class="ttname"><a href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#ae7e796f5d4860d2236bef31d74364c91">ns3::DGRRoutingLSA::GetNAttachedRouters</a></div><div class="ttdeci">uint32_t GetNAttachedRouters(void) const</div><div class="ttdoc">Return the number of attached routers listed in the NetworkLSA.</div><div class="ttdef"><b>Definition</b> <a href="../../de/d42/dgr-router-interface_8cc_source.html#l00358">dgr-router-interface.cc:358</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_l_s_a_html_afd80a2583858e08b8b3877a5401bf072"><div class="ttname"><a href="../../d5/d4d/classns3_1_1_d_g_r_routing_l_s_a.html#afd80a2583858e08b8b3877a5401bf072">ns3::DGRRoutingLSA::GetStatus</a></div><div class="ttdeci">SPFStatus GetStatus(void) const</div><div class="ttdoc">Get the SPF status of the advertisement.</div><div class="ttdef"><b>Definition</b> <a href="../../de/d42/dgr-router-interface_8cc_source.html#l00343">dgr-router-interface.cc:343</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_link_record_html"><div class="ttname"><a href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html">ns3::DGRRoutingLinkRecord</a></div><div class="ttdoc">A single link record for a link state advertisement.</div><div class="ttdef"><b>Definition</b> <a href="../../df/d96/dgr-router-interface_8h_source.html#l00051">dgr-router-interface.h:52</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_link_record_html_a93b89b9f89407a39712186911ad12a4ba31c95bb0542fb4fab6cb056f88eea561"><div class="ttname"><a href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a93b89b9f89407a39712186911ad12a4ba31c95bb0542fb4fab6cb056f88eea561">ns3::DGRRoutingLinkRecord::StubNetwork</a></div><div class="ttdeci">@ StubNetwork</div><div class="ttdoc">Record represents a leaf node network.</div><div class="ttdef"><b>Definition</b> <a href="../../df/d96/dgr-router-interface_8h_source.html#l00066">dgr-router-interface.h:66</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_link_record_html_a93b89b9f89407a39712186911ad12a4baa0b0a272a289d2f1fcafdfedcde669b7"><div class="ttname"><a href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a93b89b9f89407a39712186911ad12a4baa0b0a272a289d2f1fcafdfedcde669b7">ns3::DGRRoutingLinkRecord::TransitNetwork</a></div><div class="ttdeci">@ TransitNetwork</div><div class="ttdoc">Unused – for future OSPF compatibility</div><div class="ttdef"><b>Definition</b> <a href="../../df/d96/dgr-router-interface_8h_source.html#l00065">dgr-router-interface.h:65</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_link_record_html_a93b89b9f89407a39712186911ad12a4bac9c0a2d3da9eb9fdafee93e52a498c84"><div class="ttname"><a href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a93b89b9f89407a39712186911ad12a4bac9c0a2d3da9eb9fdafee93e52a498c84">ns3::DGRRoutingLinkRecord::PointToPoint</a></div><div class="ttdeci">@ PointToPoint</div><div class="ttdoc">Record representing a point to point channel.</div><div class="ttdef"><b>Definition</b> <a href="../../df/d96/dgr-router-interface_8h_source.html#l00064">dgr-router-interface.h:64</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_link_record_html_a97080a8409f77898f4485230be0be5e4"><div class="ttname"><a href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a97080a8409f77898f4485230be0be5e4">ns3::DGRRoutingLinkRecord::GetLinkData</a></div><div class="ttdeci">Ipv4Address GetLinkData(void) const</div><div class="ttdoc">Get the Link Data field of the Global Routing Link Record.</div><div class="ttdef"><b>Definition</b> <a href="../../de/d42/dgr-router-interface_8cc_source.html#l00089">dgr-router-interface.cc:89</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_link_record_html_a9fe6e135674ef321bc11b48f90071857"><div class="ttname"><a href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#a9fe6e135674ef321bc11b48f90071857">ns3::DGRRoutingLinkRecord::GetLinkId</a></div><div class="ttdeci">Ipv4Address GetLinkId(void) const</div><div class="ttdoc">Get the Link ID field of the Global Routing Link Record.</div><div class="ttdef"><b>Definition</b> <a href="../../de/d42/dgr-router-interface_8cc_source.html#l00075">dgr-router-interface.cc:75</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_link_record_html_ab9148eaf7a9d088a397e66164c1f30b9"><div class="ttname"><a href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#ab9148eaf7a9d088a397e66164c1f30b9">ns3::DGRRoutingLinkRecord::GetLinkType</a></div><div class="ttdeci">LinkType GetLinkType(void) const</div><div class="ttdoc">Get the Link Type field of the Global Routing Link Record.</div><div class="ttdef"><b>Definition</b> <a href="../../de/d42/dgr-router-interface_8cc_source.html#l00103">dgr-router-interface.cc:103</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_routing_link_record_html_af96cb9a05b3d95d14b6af29e058e3712"><div class="ttname"><a href="../../de/d53/classns3_1_1_d_g_r_routing_link_record.html#af96cb9a05b3d95d14b6af29e058e3712">ns3::DGRRoutingLinkRecord::GetMetric</a></div><div class="ttdeci">uint16_t GetMetric(void) const</div><div class="ttdoc">Get the Metric Data field of the Global Routing Link Record.</div><div class="ttdef"><b>Definition</b> <a href="../../de/d42/dgr-router-interface_8cc_source.html#l00118">dgr-router-interface.cc:118</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html">ns3::DGRVertex</a></div><div class="ttdoc">Vertex used in shortest path first (SPF) computations.</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00069">dgr-route-manager-impl.h:70</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a00201704c3afe974f06e06d5611c863b"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a00201704c3afe974f06e06d5611c863b">ns3::DGRVertex::m_children</a></div><div class="ttdeci">ListOfDGRVertex_t m_children</div><div class="ttdoc">Children list.</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00540">dgr-route-manager-impl.h:540</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a01db4520491672c7d666377aeb95b390"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a01db4520491672c7d666377aeb95b390">ns3::DGRVertex::GetRootExitDirection</a></div><div class="ttdeci">NodeExit_t GetRootExitDirection() const</div><div class="ttdoc">Obtain a pair indicating the exit direction from the root.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00313">dgr-route-manager-impl.cc:313</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a1bd3092c87612d18910764ad9469975b"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a1bd3092c87612d18910764ad9469975b">ns3::DGRVertex::m_rootOif</a></div><div class="ttdeci">int32_t m_rootOif</div><div class="ttdoc">root Output Interface</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00534">dgr-route-manager-impl.h:534</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a21155cece0079523ede5b6a3e94d4d6c"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a21155cece0079523ede5b6a3e94d4d6c">ns3::DGRVertex::m_nextHop</a></div><div class="ttdeci">Ipv4Address m_nextHop</div><div class="ttdoc">next hop</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00535">dgr-route-manager-impl.h:535</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a2285ab6067cd3294e32134b1bc5651dd"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2285ab6067cd3294e32134b1bc5651dd">ns3::DGRVertex::SetLSA</a></div><div class="ttdeci">void SetLSA(DGRRoutingLSA *lsa)</div><div class="ttdoc">Set the Global Router Link State Advertisement returned by the Global Router represented by this DGRV...</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00207">dgr-route-manager-impl.cc:207</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a2e1e0e41f8fbb8ed3972197642674d88"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a2e1e0e41f8fbb8ed3972197642674d88">ns3::DGRVertex::m_ecmpRootExits</a></div><div class="ttdeci">ListOfNodeExit_t m_ecmpRootExits</div><div class="ttdoc">store the multiple root's exits for supporting ECMP</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00537">dgr-route-manager-impl.h:537</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a307ee8139d815f7f26b8cf01e6885b53"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a307ee8139d815f7f26b8cf01e6885b53">ns3::DGRVertex::GetDistanceFromRoot</a></div><div class="ttdeci">uint32_t GetDistanceFromRoot(void) const</div><div class="ttdoc">Get the distance from the root vertex to &quot;this&quot; DGRVertex object.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00228">dgr-route-manager-impl.cc:228</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a329d5add3e0fd627f1e3eb536a49199e"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a329d5add3e0fd627f1e3eb536a49199e">ns3::DGRVertex::ListOfNodeExit_t</a></div><div class="ttdeci">std::list&lt; NodeExit_t &gt; ListOfNodeExit_t</div><div class="ttdoc">container of Exit nodes</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00536">dgr-route-manager-impl.h:536</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a378091a34909a44b8fae1e25d6f8e8e1"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a378091a34909a44b8fae1e25d6f8e8e1">ns3::DGRVertex::m_vertexType</a></div><div class="ttdeci">VertexType m_vertexType</div><div class="ttdoc">Vertex type.</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00530">dgr-route-manager-impl.h:530</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a4b5aa6f4683f8736530d15c60f2538a5"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4b5aa6f4683f8736530d15c60f2538a5">ns3::DGRVertex::SetDistanceFromRoot</a></div><div class="ttdeci">void SetDistanceFromRoot(uint32_t distance)</div><div class="ttdoc">Set the distance from the root vertex to &quot;this&quot; DGRVertex object.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00221">dgr-route-manager-impl.cc:221</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a4e2ae872c20a6e44e2c53087a4e96cce"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96cce">ns3::DGRVertex::VertexType</a></div><div class="ttdeci">VertexType</div><div class="ttdoc">Enumeration of the possible types of DGRVertex objects.</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00079">dgr-route-manager-impl.h:79</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a4e2ae872c20a6e44e2c53087a4e96ccea0d137433dfa77b24862a5f2c116da286"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96ccea0d137433dfa77b24862a5f2c116da286">ns3::DGRVertex::VertexRouter</a></div><div class="ttdeci">@ VertexRouter</div><div class="ttdoc">Vertex representing a router in the topology.</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00081">dgr-route-manager-impl.h:81</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a4e2ae872c20a6e44e2c53087a4e96ccea4cb6ddc9d2395166b87840984bc01880"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a4e2ae872c20a6e44e2c53087a4e96ccea4cb6ddc9d2395166b87840984bc01880">ns3::DGRVertex::VertexNetwork</a></div><div class="ttdeci">@ VertexNetwork</div><div class="ttdoc">Vertex representing a network in the topology.</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00083">dgr-route-manager-impl.h:82</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a504717b90b3fad088d133c2e71836eaf"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a504717b90b3fad088d133c2e71836eaf">ns3::DGRVertex::GetNChildren</a></div><div class="ttdeci">uint32_t GetNChildren(void) const</div><div class="ttdoc">Get the number of children of &quot;this&quot; DGRVertex.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00360">dgr-route-manager-impl.cc:360</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a5999846daefbeb25a5265e80e3f3a078"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5999846daefbeb25a5265e80e3f3a078">ns3::DGRVertex::GetVertexType</a></div><div class="ttdeci">VertexType GetVertexType(void) const</div><div class="ttdoc">Get the Vertex Type field of a DGRVertex object.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00186">dgr-route-manager-impl.cc:186</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a5f9422d4f1f9df2f301cbd578e29ae7b"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a5f9422d4f1f9df2f301cbd578e29ae7b">ns3::DGRVertex::GetLSA</a></div><div class="ttdeci">DGRRoutingLSA * GetLSA(void) const</div><div class="ttdoc">Get the Global Router Link State Advertisement returned by the Global Router represented by this DGRV...</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00214">dgr-route-manager-impl.cc:214</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a691c41409919639a4aaea1443fa26ed5"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a691c41409919639a4aaea1443fa26ed5">ns3::DGRVertex::GetNRootExitDirections</a></div><div class="ttdeci">uint32_t GetNRootExitDirections() const</div><div class="ttdoc">Get the number of exit directions from root for reaching 'this' vertex.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00353">dgr-route-manager-impl.cc:353</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a6937ca725aa1a7f5284d1b75a5dfb9f8"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a6937ca725aa1a7f5284d1b75a5dfb9f8">ns3::DGRVertex::GetParent</a></div><div class="ttdeci">DGRVertex * GetParent(uint32_t i=0) const</div><div class="ttdoc">Get a pointer to the SPFVector that is the parent of &quot;this&quot; DGRVertex.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00245">dgr-route-manager-impl.cc:245</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a6afcdedc8616fc035f8c9736d5679cd4"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a6afcdedc8616fc035f8c9736d5679cd4">ns3::DGRVertex::IsVertexProcessed</a></div><div class="ttdeci">bool IsVertexProcessed(void) const</div><div class="ttdoc">Check the value of the VertexProcessed flag.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00401">dgr-route-manager-impl.cc:401</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a6c0dd738fc7761774349eb65f80ac63b"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a6c0dd738fc7761774349eb65f80ac63b">ns3::DGRVertex::m_distanceFromRoot</a></div><div class="ttdeci">uint32_t m_distanceFromRoot</div><div class="ttdoc">Distance from root node.</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00533">dgr-route-manager-impl.h:533</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a7d8e5d27954333a239893ec0a30b6486"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a7d8e5d27954333a239893ec0a30b6486">ns3::DGRVertex::SetVertexType</a></div><div class="ttdeci">void SetVertexType(VertexType type)</div><div class="ttdoc">Set the Vertex Type field of a DGRVertex object.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00179">dgr-route-manager-impl.cc:179</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a83acd923d19102c507faadb2f4e68f56"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a83acd923d19102c507faadb2f4e68f56">ns3::DGRVertex::GetVertexId</a></div><div class="ttdeci">Ipv4Address GetVertexId(void) const</div><div class="ttdoc">Get the Vertex ID field of a DGRVertex object.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00200">dgr-route-manager-impl.cc:200</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a8ce35999d67d3028792f043c1efdf075"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a8ce35999d67d3028792f043c1efdf075">ns3::DGRVertex::SetParent</a></div><div class="ttdeci">void SetParent(DGRVertex *parent)</div><div class="ttdoc">Set the pointer to the SPFVector that is the parent of &quot;this&quot; DGRVertex.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00235">dgr-route-manager-impl.cc:235</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a9dbfca905e6a1a00be1d1e5fb0d65051"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a9dbfca905e6a1a00be1d1e5fb0d65051">ns3::DGRVertex::SetVertexId</a></div><div class="ttdeci">void SetVertexId(Ipv4Address id)</div><div class="ttdoc">Set the Vertex ID field of a DGRVertex object.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00193">dgr-route-manager-impl.cc:193</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_a9e66f0b2ee7432156046e75672968138"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#a9e66f0b2ee7432156046e75672968138">ns3::DGRVertex::GetRootExitDirection</a></div><div class="ttdeci">NodeExit_t GetRootExitDirection(uint32_t i) const</div><div class="ttdoc">Obtain a pair indicating the exit direction from the root.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00300">dgr-route-manager-impl.cc:300</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_aa1718a99ec16d3ebf25949e3edac9168"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aa1718a99ec16d3ebf25949e3edac9168">ns3::DGRVertex::SetVertexProcessed</a></div><div class="ttdeci">void SetVertexProcessed(bool value)</div><div class="ttdoc">Set the value of the VertexProcessed flag.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00394">dgr-route-manager-impl.cc:394</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_aa78a926a5b354a145d0164a164057a53"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aa78a926a5b354a145d0164a164057a53">ns3::DGRVertex::ListOfDGRVertex_t</a></div><div class="ttdeci">std::list&lt; DGRVertex * &gt; ListOfDGRVertex_t</div><div class="ttdoc">container of DGRVertexes</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00538">dgr-route-manager-impl.h:538</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_aa8a039e85d0a64c8451a8ea69ddd3fc0"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aa8a039e85d0a64c8451a8ea69ddd3fc0">ns3::DGRVertex::MergeParent</a></div><div class="ttdeci">void MergeParent(const DGRVertex *v)</div><div class="ttdoc">Merge the Parent list from the v into this vertex.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00264">dgr-route-manager-impl.cc:264</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_aab7d474354c078ab96afd48ec1ed5fa6"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aab7d474354c078ab96afd48ec1ed5fa6">ns3::DGRVertex::~DGRVertex</a></div><div class="ttdeci">~DGRVertex()</div><div class="ttdoc">Destroy an DGRVertex (Shortest Path First Vertex).</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00127">dgr-route-manager-impl.cc:127</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_aacb7dfc43225f6d7eca87f103c40c526"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aacb7dfc43225f6d7eca87f103c40c526">ns3::DGRVertex::InheritAllRootExitDirections</a></div><div class="ttdeci">void InheritAllRootExitDirections(const DGRVertex *vertex)</div><div class="ttdoc">Inherit all root exit directions from a given vertex to 'this' vertex.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00337">dgr-route-manager-impl.cc:337</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_aace20b0a545f431fbc5e3d6a2c149d44"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aace20b0a545f431fbc5e3d6a2c149d44">ns3::DGRVertex::NodeExit_t</a></div><div class="ttdeci">std::pair&lt; Ipv4Address, int32_t &gt; NodeExit_t</div><div class="ttdoc">IPv4 / interface container for exit nodes.</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00292">dgr-route-manager-impl.h:292</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_abfd711c43e166fc59f65235af75c4c07"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#abfd711c43e166fc59f65235af75c4c07">ns3::DGRVertex::MergeRootExitDirections</a></div><div class="ttdeci">void MergeRootExitDirections(const DGRVertex *vertex)</div><div class="ttdoc">Merge into 'this' vertex the list of exit directions from another vertex.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00322">dgr-route-manager-impl.cc:322</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_ac159aa73dc98d368d334b4d3c01c6eb8"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ac159aa73dc98d368d334b4d3c01c6eb8">ns3::DGRVertex::m_lsa</a></div><div class="ttdeci">DGRRoutingLSA * m_lsa</div><div class="ttdoc">Link State Advertisement.</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00532">dgr-route-manager-impl.h:532</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_acccf543804229747db8e14bcde5cefbd"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#acccf543804229747db8e14bcde5cefbd">ns3::DGRVertex::m_vertexProcessed</a></div><div class="ttdeci">bool m_vertexProcessed</div><div class="ttdoc">Flag to note whether vertex has been processed in stage two of SPF computation.</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00541">dgr-route-manager-impl.h:541</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_acf173c7ca9af5a3b19a0ec90c00a0253"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#acf173c7ca9af5a3b19a0ec90c00a0253">ns3::DGRVertex::DGRVertex</a></div><div class="ttdeci">DGRVertex()</div><div class="ttdoc">Construct an empty (&quot;uninitialized&quot;) DGRVertex (Shortest Path First Vertex).</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00089">dgr-route-manager-impl.cc:89</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_ad50ca09919dbd3f7b07252d0028623c2"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ad50ca09919dbd3f7b07252d0028623c2">ns3::DGRVertex::m_parents</a></div><div class="ttdeci">ListOfDGRVertex_t m_parents</div><div class="ttdoc">parent list</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00539">dgr-route-manager-impl.h:539</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_adedcbcf4b3fd8a7db8a086d5beefc1d2"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#adedcbcf4b3fd8a7db8a086d5beefc1d2">ns3::DGRVertex::ClearVertexProcessed</a></div><div class="ttdeci">void ClearVertexProcessed(void)</div><div class="ttdoc">Clear the value of the VertexProcessed flag.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00408">dgr-route-manager-impl.cc:408</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_ae9023c5885bfce6327e2f8f1f360e961"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#ae9023c5885bfce6327e2f8f1f360e961">ns3::DGRVertex::SetRootExitDirection</a></div><div class="ttdeci">void SetRootExitDirection(Ipv4Address nextHop, int32_t id=DISTINFINITY)</div><div class="ttdoc">Set the IP address and outgoing interface index that should be used to begin forwarding packets from ...</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00279">dgr-route-manager-impl.cc:279</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_aea98bf4a660837344a4c802546249a21"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#aea98bf4a660837344a4c802546249a21">ns3::DGRVertex::GetChild</a></div><div class="ttdeci">DGRVertex * GetChild(uint32_t n) const</div><div class="ttdoc">Get a borrowed DGRVertex pointer to the specified child of &quot;this&quot; DGRVertex.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00367">dgr-route-manager-impl.cc:367</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_af0c852bbf364e527e6f7b1c34105a06e"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#af0c852bbf364e527e6f7b1c34105a06e">ns3::DGRVertex::AddChild</a></div><div class="ttdeci">uint32_t AddChild(DGRVertex *child)</div><div class="ttdoc">Get a borrowed DGRVertex pointer to the specified child of &quot;this&quot; DGRVertex.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d4c/dgr-route-manager-impl_8cc_source.html#l00386">dgr-route-manager-impl.cc:386</a></div></div>
<div class="ttc" id="aclassns3_1_1_d_g_r_vertex_html_af327951c82d95adf7bc570bae0ee6536"><div class="ttname"><a href="../../dc/d43/classns3_1_1_d_g_r_vertex.html#af327951c82d95adf7bc570bae0ee6536">ns3::DGRVertex::m_vertexId</a></div><div class="ttdeci">Ipv4Address m_vertexId</div><div class="ttdoc">Vertex ID.</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00531">dgr-route-manager-impl.h:531</a></div></div>
<div class="ttc" id="adgr-candidate-queue_8h_html"><div class="ttname"><a href="../../df/d86/dgr-candidate-queue_8h.html">dgr-candidate-queue.h</a></div></div>
<div class="ttc" id="adgr-route-manager-impl_8h_html"><div class="ttname"><a href="../../d5/d9c/dgr-route-manager-impl_8h.html">dgr-route-manager-impl.h</a></div></div>
<div class="ttc" id="adgr-router-interface_8h_html"><div class="ttname"><a href="../../df/d96/dgr-router-interface_8h.html">dgr-router-interface.h</a></div></div>
<div class="ttc" id="aipv4-dgr-routing_8h_html"><div class="ttname"><a href="../../dd/d5c/ipv4-dgr-routing_8h.html">ipv4-dgr-routing.h</a></div></div>
<div class="ttc" id="anamespacens3_html"><div class="ttname"><a href="../../d7/d2e/namespacens3.html">ns3</a></div><div class="ttdef"><b>Definition</b> <a href="../../d5/d65/dgr-application-helper_8cc_source.html#l00027">dgr-application-helper.cc:27</a></div></div>
<div class="ttc" id="anamespacens3_html_a7c0f3fcc4f4363c5458911cded1af4b6"><div class="ttname"><a href="../../d7/d2e/namespacens3.html#a7c0f3fcc4f4363c5458911cded1af4b6">ns3::operator&lt;&lt;</a></div><div class="ttdeci">std::ostream &amp; operator&lt;&lt;(std::ostream &amp;os, const DGRVertex::VertexType &amp;t)</div><div class="ttdoc">Stream insertion operator.</div><div class="ttdef"><b>Definition</b> <a href="../../da/d53/dgr-candidate-queue_8cc_source.html#l00037">dgr-candidate-queue.cc:38</a></div></div>
<div class="ttc" id="anamespacens3_html_aa5e169e2453984d2f21c0d5cec9e907b"><div class="ttname"><a href="../../d7/d2e/namespacens3.html#aa5e169e2453984d2f21c0d5cec9e907b">ns3::i</a></div><div class="ttdeci">int i</div><div class="ttdef"><b>Definition</b> <a href="../../d3/d89/dgr-sink_8cc_source.html#l00169">dgr-sink.cc:169</a></div></div>
<div class="ttc" id="anamespacens3_html_aa8c7346d1a02c40c94ad465301e57ef8"><div class="ttname"><a href="../../d7/d2e/namespacens3.html#aa8c7346d1a02c40c94ad465301e57ef8">ns3::DISTINFINITY</a></div><div class="ttdeci">const uint32_t DISTINFINITY</div><div class="ttdoc">&quot;infinite&quot; distance between nodes</div><div class="ttdef"><b>Definition</b> <a href="../../d5/d9c/dgr-route-manager-impl_8h_source.html#l00038">dgr-route-manager-impl.h:38</a></div></div>
<div class="ttc" id="anamespacens3_html_adde9ed23eff577cdfec10d85035e32eb"><div class="ttname"><a href="../../d7/d2e/namespacens3.html#adde9ed23eff577cdfec10d85035e32eb">ns3::NS_LOG_COMPONENT_DEFINE</a></div><div class="ttdeci">NS_LOG_COMPONENT_DEFINE(&quot;DGRRoutingHelper&quot;)</div></div>
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